View Filing Data

Document and Entity Information - shares	3 Months Ended
Document and Entity Information - shares	Mar. 31, 2013	May 08, 2013
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1
Trading Symbol	VRNG
Entity Registrant Name	Vringo Inc
Entity Central Index Key	0001410428
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Entity Common Stock Shares Outstanding		82,749,093

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2013	Dec. 31, 2012
Current assets
Cash and cash equivalents	$ 49,128	$ 56,960
Short-term investments	3,120	0
Accounts receivable	117	151
Prepaid expenses and other current assets	244	318
Total current assets	52,609	57,429
Long-term deposit	46	54
Property and equipment, at cost, net of $73 and $47 accumulated depreciation and amortization, as of March 31, 2013 and December 31, 2012, respectively	296	294
Intangible assets, net	32,789	34,044
Goodwill	65,965	65,965
Total assets	151,705	157,786
Current liabilities
Accounts payable and accrued expenses	3,596	1,444
Accrued employee compensation	485	398
Total current liabilities	4,081	1,842
Long-term liabilities
Derivative liabilities on account of warrants	7,919	7,612
Total long-term liabilities	7,919	7,612
Commitments and contingencies
Stockholders' equity
Series A Convertible Preferred stock, $0.01 par value per share; 5,000,000 authorized; 6,673 issued; none outstanding, as of March 31, 2013 and as of December 31, 2012	0	0
Common stock, $0.01 par value per share 150,000,000 authorized; 82,516,935 and 81,889,226 issued and outstanding as of March 31, 2013 and December 31, 2012, respectively	825	819
Additional paid-in capital	174,439	171,108
Deficit accumulated during the development stage	(35,559)	(23,595)
Total stockholders' equity	139,705	148,332
Total liabilities and stockholders' equity	$ 151,705	$ 157,786

CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2013	Dec. 31, 2012
Property and equipment, accumulated depreciation and amortization	$ 73	$ 47
Common stock, par value	$ 0.01	$ 0.01
Common stock, authorized	150,000,000	150,000,000
Common stock, issued	82,516,935	81,889,226
Common stock, outstanding	82,516,935	81,889,226
Series A Convertible Preferred Stock [Member]
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, authorized	5,000,000	5,000,000
Preferred stock, issued	6,673	6,673
Preferred stock, outstanding	0	0

CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
$ in Thousands

3 Months Ended

22 Months Ended

Mar. 31, 2013

Mar. 31, 2012

Mar. 31, 2013

Revenue

$ 65

$ 0

$ 434

Costs and Expenses

Cost of revenue*

^[1]

6,681

1,251

20,754

Research and development*

^[1]

826

2,566

Marketing, general and administrative*

^[1]

4,137

616

16,207

Total operating expenses

11,644

1,867

39,527

Operating loss

(11,579)

(1,867)

(39,093)

Non-operating income

Non-operating expense

(10)

(4)

(37)

Gain (loss) on revaluation of derivative warrants

(376)

6,471

Issuance of warrants

(2,883)

Loss before taxes on income

(11,948)

(1,871)

(35,488)

Income tax expense

(16)

(71)

Net loss

$ (11,964)

$ (1,871)

$ (35,559)

Basic net loss per common share (In dollars per share)

$ (0.15)

$ (0.43)

$ (0.99)

Diluted net loss per common share (In dollars per shares)

$ (0.15)

$ (0.43)

$ (1.05)

Weighted average number of shares used in computing net loss per common share:

Basic: (In shares)

82,389,353

4,365,117

35,948,434

Diluted: (In shares)

82,389,353

4,365,117

38,171,284

[1]	Includes stock-based compensation expense

CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		22 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013
Stock-based compensation	$ 3,094	$ 84	$ 11,655
Cost Of Revenue [Member]
Stock-based compensation	294	0	817
Research and Development [Member]
Stock-based compensation	243	0	934
Marketing General and Administrative [Member]
Stock-based compensation	$ 2,557	$ 84	$ 9,904

- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References + Details

STATEMENT OF STOCKHOLDERS' EQUITY (DEFICIT) - USD ($)
$ in Thousands

Series A convertible preferred stock [Member]

Common Stock [Member]

Additional Paid In Capital [Member]

Accumulated Deficit During Development Stage [Member]

Total

Balance at Jun. 08, 2011

$ 0

Issuance of shares of common stock

170

4,975

5,145

Stock-based compensation

^[1]

474

Net loss for the period

(2,754)

Balance at Dec. 31, 2011

170

5,449

(2,754)

2,865

Balance at Jun. 08, 2011

Conversion of Series A preferred stock to common stock

Issuance of shares of common stock

31,148

Stock-based compensation

11,655

Issuance of warrants

2,883

Conversion of Series A Preferred Convertible Preferred stock, classified as equity

1,724

Net loss for the period

(35,559)

Balance at Mar. 31, 2013

825

174,439

(35,559)

139,705

Balance at Dec. 31, 2011

170

5,449

(2,754)

2,865

Conversion of Series A preferred stock to common stock

Issuance of shares of common stock

31,052

31,148

Stock-based compensation

8,084

8,087

Recording of equity instruments upon Merger, net of fair value of issued warrants $21,954 and issuance cost of $463

^[1]

152

54,809

54,961

Issuance of warrants

2,883

Conversion of Series A Preferred Convertible Preferred stock, classified as equity

^[1]

201

(201)

Exercise of warrants

22,856

22,932

Exercise of stock options

$ 0

$ 8

$ 501

$ 509

Shares issued for acquisition of patents, see Note 5

748

750

Issuance of shares in connection with a financing round, net of issuance cost

$ 0

$ 103

$ 44,859

$ 44,962

Net loss for the period

(20,841)

Balance at Dec. 31, 2012

819

171,108

(23,595)

148,332

Conversion of Series A preferred stock to common stock

Stock-based compensation

3,094

Exercise of warrants

233

234

Exercise of stock options

Net loss for the period

(11,964)

Balance at Mar. 31, 2013

$ 0

$ 825

$ 174,439

$ (35,559)

$ 139,705

[1]	Represents amounts less than $1

STATEMENT OF STOCKHOLDERS' EQUITY (DEFICIT) (Parenthetical) $ in Thousands	12 Months Ended
	Dec. 31, 2012 USD ($)
Fair Value Of Warrant Issued	$ 21,954
Private Financing [Member]
Issuance of stock, issuance costs	52
Private Financing One [Member]
Issuance of stock, issuance costs	39
Common Stock Shares [Member]
Issuance of stock, issuance costs	$ 463

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		22 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013
Cash flows from operating activities
Net loss	$ (11,964)	$ (1,871)	$ (35,559)
Adjustments to reconcile net cash flows used in operating activities:
Depreciation and amortization	1,281	156	4,111
Change in deferred tax assets and liabilities	0	0	(58)
Stock-based compensation	3,094	84	11,655
Issuance of warrants	0	0	2,883
Decrease (increase) in fair value of warrants	376	0	(6,471)
Exchange rate losses	4		12
Changes in current assets and liabilities
Decrease (increase) in receivables, prepaid expenses and other current assets	109	(14)	(125)
Increase in payables and accruals	2,228	418	2,684
Net cash used in operating activities	(4,872)	(1,227)	(20,868)
Cash flows from investing activities
Acquisition of property and equipment	(28)	(5)	(245)
Deposit in short-term investments	(3,120)	0	(3,120)
Acquisition of patents	0	0	(25,944)
Increase (decrease) in deposits	8	0	(38)
Cash acquired as part of acquisition of Vringo (1)	0	0	3,326
Net cash used in investing activities	(3,140)	(5)	(26,021)
Cash flows from financing activities
Proceeds from issuance of common stock, net of issuance cost of $52	0	0	31,148
Proceeds from issuance of common stock, net of issuance cost of $39	0	0	44,962
Proceeds from issuance (repayment) of note payable - related party	0	0	0
Proceeds from issuance of preferred stock	0	0	1,800
Proceeds from issuance of common stock	0	0	5,145
Exercise of options and RSUs	9	0	518
Exercise of warrants	165	0	12,440
Net cash provided by financing activities	174	0	96,013
Effect of exchange rate changes on cash and cash equivalents	6	0	4
Increase (decrease) in cash and cash equivalents	(7,832)	(1,232)	49,128
Cash and cash equivalents at beginning of period	56,960	5,212	0
Cash and cash equivalents at end of period	49,128	3,980	49,128
Supplemental disclosure of cash flows information
Interest paid	0	4	17
Income taxes paid	3	0	10
Non-cash investing and financing transactions
Conversion of Series A preferred stock to common stock	0	39	39
Exercise of derivative warrants	69	0	10,726
Non cash acquisition of acquisition of patents through issuance of common stock shares	0	0	750
Conversion of Series A Convertible Preferred stock, classified as mezzanine equity, into common stock, prior to the Merger	0	0	76
Conversion of Series A Convertible Preferred stock, classified as mezzanine equity, into common stock, upon Merger		0	1,724
Conversion of Series A Convertible Preferred stock, classified as equity, into common stock, post-Merger	$ 0	$ 0	201
(1) Cash acquired as part of acquisition of Vringo
Working capital (excluding cash and cash equivalents)			740
Long term deposit			(8)
Fixed assets, net			124
Goodwill			(65,965)
Technology			10,133
Fair value of Legal Parent's shares of common stock and vested $0.01 options			58,211
Fair value of warrants and vested stock options			17,443
Long-term liabilities			3,162
Total Cash Acquired During Acqusition			$ 3,326

CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) $ in Thousands	12 Months Ended
	Dec. 31, 2012 USD ($)
Private Financing [Member]
Issuance of stock, issuance costs	$ 52
Private Financing One [Member]
Issuance of stock, issuance costs	$ 39

General

3 Months Ended

Mar. 31, 2013

General [Abstract]

General

Note 1—General

Vringo, Inc., together with its consolidated subsidiaries (the “Company” or “Vringo”), is engaged in the innovation, licensing and protection of intellectual property worldwide. Vringo's intellectual property portfolio consists of over 500 patents and patent applications covering telecom infrastructure, internet search and mobile technologies. The Company’s patents and patent applications have been developed internally and acquired from third parties. Vringo operates a global platform for the distribution of mobile social applications and services it develops.

On July 19, 2012, Vringo, Inc., a Delaware corporation (“Vringo” or “Legal Parent”), closed a merger transaction (the “Merger”) with Innovate/Protect, Inc., a privately held Delaware corporation (“I/P”), pursuant to an Agreement and Plan of Merger, dated as of March 13, 2012 (the “Merger Agreement”), by and among Vringo, I/P and VIP Merger Sub, Inc., a wholly-owned subsidiary of Vringo (“Merger Sub”). Pursuant to the Merger Agreement, I/P became a wholly-owned subsidiary of Vringo through a merger of I/P with and into Merger Sub, and the former stockholders of I/P received shares of Vringo that constituted a majority of the outstanding shares of Vringo.

Because former I/P stockholders owned, immediately following the Merger, approximately 67.61% of the combined company on a fully diluted basis, and as a result of certain other factors, I/P was deemed to be the acquiring company for accounting purposes and the transaction was accounted for as a reverse acquisition in accordance with accounting principles generally accepted in the United States (“U.S. GAAP”). Accordingly, the Company’s financial statements for periods prior to the Merger reflect the historical results of I/P and not Vringo’s historical results prior to the Merger, and the Company’s financial statements for all periods from July 19, 2012 reflect the results of the combined company. Unless specifically noted otherwise, as used throughout these consolidated financial statements, the term “Company” refers to the combined company after the Merger, and the business of I/P before the Merger. The terms I/P and Vringo refer to such entities’ standalone businesses prior to the Merger.

I/P (a development stage company) was incorporated on June 8, 2011 (“Inception”) under the laws of Delaware as Labrador Search Corporation.

Based on current operating plans, the current resources of the Company are expected to be sufficient for at least the next twelve months. The Company may choose to raise additional funds in connection with any future acquisition of additional intellectual property assets, operating businesses or other assets that it may choose to pursue. There can be no assurance, however, that any such opportunities will materialize. Moreover, any potential financing would likely be dilutive to the Company’s stockholders.

As of March 31, 2013, approximately $448 and $31 of the Company's net assets were located in Israel and Germany, respectively. In addition, the Company owns patents issued outside of the United States.

Significant Accounting and Reporting Policies

3 Months Ended

Mar. 31, 2013

Accounting Policies [Abstract]

Significant Accounting and Reporting Policies

Note 2—Significant Accounting and Reporting Policies

(a) Basis of presentation

The accompanying consolidated financial statements include the accounts of the Legal Parent, I/P and their wholly-owned subsidiaries, and are presented in accordance with instructions to Form 10-Q and, therefore, do not include all disclosures necessary for a complete presentation of financial position, results of operations, and cash flows in conformity with U.S. generally accepted accounting principles. These financial statements should be read in conjunction with the consolidated financial statements and related notes for the year ended December 31, 2012. The results of operations for the three month period ended March 31, 2013 are not necessarily indicative of the results that may be expected for the entire fiscal year or for any other interim period. All significant intercompany balances and transactions have been eliminated in consolidation. These financial statements include the results of operations of I/P and its subsidiaries for all periods presented, with the results of operations of the Legal Parent and its subsidiaries for the period from July 19, 2012 (the effective date of the Merger). Moreover, equity amounts, as well as net loss per common share, presented for comparative periods differ from those previously presented by I/P, due to application of accounting requirements applicable to a reverse acquisition.

(b) Development stage enterprise

The Company’s principal activities to date have been focused on enforcement and development of its intellectual property, as well as on the research and development of its products. To date, the Company has not generated any significant revenues from its planned principal operations. Accordingly, the Company’s financial statements are presented as those of a development stage enterprise.

(c) Translation into U.S. dollars

The currency of the primary economic environment in which the operations of the Company are conducted is the U.S. dollar ("U.S. $" or “$”). Therefore, the U.S. dollar has been determined to be the Company's functional currency. Post-Merger, the Company conducted significant transactions in foreign currencies (primarily the New Israeli Shekels ("NIS") and Euro). These are recorded at the exchange rate as of the transaction date. All exchange gains and losses from remeasurement of monetary balance sheet items denominated in non-dollar currencies are reflected as finance expense in the statement of operations, as they arise.

	NIS		Euro
At March 31, 2013		3.648		0.782
At December 31, 2012		3.733		0.759
Average exchange rate for the period from July 19, 2012 through March 31, 2013		3.846		0.775
Average exchange rate for the period from January 1, 2013 through March 31, 2013		3.708		0.757

(d) Use of estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as at the date of the financial statements and the reported amounts of revenues and expenses during the reported period. Actual results may differ from such estimates. Significant items subject to such estimates and assumptions include valuation of assets assumed and liabilities incurred as part of the Merger, useful lives of the Company’s tangible and intangible assets, valuation of its short-term investments and the October 2012 Warrants (as defined in Note 7) and derivative warrants, valuation of its share-based compensation, deferred tax assets and liabilities, income tax uncertainties and other contingencies.

(e) Cash and cash equivalents

The Company invests its surplus cash in commercial paper, money market deposits and money market funds with financial institutions. The Company has established guidelines relating to diversification and maturities of its investments, in order to minimize credit risk and maintain high liquidity of funds. For the purpose of these financial statements, all highly liquid investments with original maturities of three months or less are considered cash equivalents. Cash and cash equivalents include $740 and $0 invested in commercial papers with an initial term (upon purchase by the Company) of less than three months at March 31, 2013 and December 31, 2012, respectively.

(f) Short-term investments

Currently, short-term investment securities as of March 31, 2013 and December 31, 2012, in the total amount of $3,120 and $0, respectively, consist of investment in commercial paper. The Company classified its investments as held-to-maturity. Held-to-maturity debt securities are those debt securities in which the Company has the ability and intent to hold the security until maturity. Held-to-maturity debt securities are recorded at amortized cost, adjusted for the amortization or accretion of premiums or discounts. Premiums and discounts on debt securities are amortized or accreted over the life of the related held-to-maturity security as an adjustment to yield using the effective-interest method. Such amortization and accretion is included in the “non-operating income” line item in the Consolidated Statements of Operations. Dividend and interest income are recognized when earned.

(g) Net loss per share data

Basic net loss per share is computed by dividing the net loss for the period by the weighted-average number of shares of common stock outstanding during the period. Diluted net loss per share is computed by dividing the net loss for the period by the weighted-average number of shares of common stock plus dilutive potential common stock considered outstanding during the period. Such dilutive shares consist of incremental shares that would be issued upon exercise of the Company’s derivative warrants (see also Note 7). The table below presents the computation of basic and diluted net losses per common share:

	Three months ended						Cumulative from Inception to
	March 31,						March 31,
	2013			2012			2013
Basic Numerator:
Net loss attributable to shares of common stock	$	(11,964	)	$	(1,871	)	$	(35,559	)
Basic Denominator:
Weighted average number of shares of common stock outstanding during the period		82,185,649			4,365,117			35,835,214
Weighted average number of penny stock options		203,704			—			113,220
Basic common stock shares outstanding		82,389,353			4,365,117			35,948,434
Basic net loss per common stock share	$	(0.15	)	$	(0.43	)	$	(0.99	)

Diluted Numerator:
Net loss attributable to shares of common stock	$	(11,964	)	$	(1,871	)	$	(35,559	)
Increase in net loss attributable to Series 1 warrants	$	—		$	—		$	(4,060	)
Increase in net loss attributable to Preferential Reload warrants	$	—		$	—		$	(135	)
Increase in net loss attributable to Conversion warrants	$	—		$	—		$	(68	)
Increase in net loss attributable to Special Bridge warrants	$	—		$	—		$	(99	)
Diluted net loss attributable to shares of common stock:	$	(11,964	)	$	(1,871	)	$	(39,921	)
Diluted Denominator:
Weighted average number of shares of common stock outstanding during the period		82,185,649			4,365,117			35,835,214
Weighted average number of Series 1 warrants outstanding during the period		—			—			2,061,332
Weighted average number of Preferential Reload warrants outstanding during the period		—			—			63,203
Weighted average number of Conversion warrants outstanding during the period		—			—			39,921
Weighted average number of Special Bridge warrants outstanding during the period		—			—			58,394
Weighted average number of penny stock options		203,704			—			113,220
Diluted common stock shares outstanding		82,389,353			4,365,117			38,171,284
Diluted net loss per common stock share	$	(0.15	)	$	(0.43	)	$	(1.05	)

Net loss per share data presented excludes from the calculation of diluted net loss the following potentially dilutive securities, outstanding as of March 31, 2013, as they had an anti-dilutive impact:
Both vested and unvested options at $0.96-$5.50 exercise price, to purchase an equal number of shares of common stock of the Company		11,583,888			—			11,583,888
Unvested $0.01 options to purchase an equal number of shares of common stock of the Company		12,125			—			12,125
Unvested Restricted Stock Units (“RSU”) to issue an equal number of shares of common stock of the Company		3,336,375			—			3,336,375
Common stock shares granted, but not yet vested		77,193			1,130,800			77,193
Warrants to purchase an equal number of shares of common stock of the Company		18,769,114			250,000			13,120,461
Total number of potentially dilutive instruments, excluded from the calculation of net loss per share:		33,778,695			1,380,800			28,130,042

(h) Reclassification

Certain comparative figures were reclassified to conform to the Company’s post-Merger presentation.

Intangible Assets

3 Months Ended

Mar. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Note 3—Intangible Assets

	As of March 31, 2013			As of December 31, 2012			Weighted average amortization period (years)
Acquired technology (see Note 5)		10,133			10,133		6.0
Patents		26,694			26,694		8.5
Total		36,827			36,827

Less: accumulated amortization		(4,038	)		(2,783	)
		32,789			34,044

In June 2011, the Company’s subsidiary acquired patents from Lycos, Inc. The gross carrying amount of those patents is comprised of the original purchase price of $3,200 and $196 of associated patent acquisition costs.

In August 2012, the Company purchased from Nokia Corporation a portfolio consisting of various patents and patent applications. The portfolio encompasses a broad range of technologies relating to telecom infrastructure, including communication management, data and signal transmission, mobility management, radio resources management and services. The total consideration paid for the portfolio was $22,000. In addition, the Company capitalized certain costs related to the acquisition of patents in the total amount of $548. Under the terms of the purchase agreement, to the extent that the gross revenue generated by such portfolio exceeds $22,000, the Company is obligated to pay a royalty of 35% of such excess. The Company has not recorded any amounts in respect of this contingent consideration, as both the amounts of future potential revenue, if any, and the timing of such revenue cannot be reliably established.

In October 2012, the Company’s subsidiary entered into a patent purchase agreement. As partial consideration, the Company issued 160,600 shares of common stock to the seller with the fair value of $750. In addition, under the terms of the purchase agreement, 20% of the gross revenue collected will be payable to the seller as a royalty. The Company has not recorded any amounts in respect of this contingent consideration, as both the amounts of future potential revenue, if any, and the timing of such revenue cannot be reliably established.

During the three month periods ended March 31, 2013 and 2012, the Company recorded amortization expense of $1,255 and $155, respectively. During the period from Inception through March 31, 2013, total amortization expense of $4,038 was recorded. Estimated amortization expense for each of the five succeeding years, based upon intangible assets owned at March 31, 2013 is as follows:

	Amount
Period ending December 31,
2013 (nine months ending December 31, 2013)		3,746
2014		5,002
2015		5,002
2016		4,610
2017 and thereafter		14,429
		32,789

Fair Value Measurements

3 Months Ended

Mar. 31, 2013

Fair Value Measurements [Abstract]

Fair Value Measurements

Note 4—Fair Value Measurements

The Company measures fair value in accordance with ASC 820-10, “Fair Value Measurements and Disclosures” (formerly SFAS 157, “Fair Value Measurements”). ASC 820-10 clarifies that fair value is an exit price, representing the amount that would be received by selling an asset or paid to transfer a liability in an orderly transaction between market participants. As such, fair value is a market-based measurement that should be determined based on assumptions that market participants would use in pricing an asset or a liability. As a basis for considering such assumptions, ASC 820-10 establishes a three-tier value hierarchy, which prioritizes the inputs used in the valuation methodologies in measuring fair value:

Level 1 Inputs: Unadjusted quoted prices in active markets for identical assets or liabilities accessible to the reporting entity at the measurement date.

Level 2 Inputs: Inputs are based upon quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active and model-based valuation techniques for which all significant inputs are observable in the market or can be corroborated by observable market data for substantially the full term of the assets or liabilities.

Level 3 Inputs: Unobservable inputs for the asset or liability used to measure fair value to the extent that observable inputs are not available, thereby allowing for situations in which there is little, if any, market activity for the asset or liability at measurement date. The fair value hierarchy also requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value.

The Company measures its derivative liabilities at fair value. The Special Bridge Warrants, Conversion Warrants, Preferential Reload Warrants and Series 1 Warrants (as they are defined in Note 7) are classified within Level 3 because they are valued using the Black-Scholes-Merton and the Monte-Carlo models (as all of these warrants include down-round protection clauses), which utilize significant inputs that are unobservable in the market.

The following table presents the Company’s assets and liabilities measured at fair value on a recurring basis as of March 31, 2013 and December 31, 2012, aggregated by the level in the fair-value hierarchy within which those measurements fall:

			Fair value measurement at reporting date using
			Quoted prices in
			active markets		Significant other		Significant
	March 31,		for identical		observable		unobservable
Description	2013		assets (Level 1)		inputs (Level 2)		inputs (Level 3)
Liabilities as of March 31, 2013:
Derivative liabilities on account of warrants		7,919		—		—		7,919
Total liabilities as of March 31, 2013:		7,919		—		—		7,919

Liabilities as of December 31, 2012:
Derivative liabilities on account of warrants		7,612		—		—		7,612
Total liabilities as of December 31, 2012:		7,612		—		—		7,612

In addition to the above, the Company’s financial instruments at March 31, 2013 and December 31, 2012 consisted of cash, cash equivalents, short-term investments, accounts receivable, accounts payable and long term deposits. The carrying amounts of all the aforementioned financial instruments approximate fair value. The following table summarizes the changes in the Company’s liabilities measured at fair value using significant unobservable inputs (Level 3) during the period from Inception through March 31, 2013. No assets, nor liabilities, were valued using Level 3 inputs for the period ended March 31, 2012:

	Level 3
Balance at Inception		—
Balance at December 31, 2011		—
Derivative warrants issued to I/P’s shareholders in connection with the Merger, July 19, 2012		21,954
Fair value of derivative warrants issued by Legal Parent (see Note 5)		3,162
Fair value adjustment, prior to exercise of warrants, included in statement of operations		156
Exercise of derivative warrants		(10,657	)
Fair value adjustment at end of period, included in statement of operations		(7,003	)
Balance at December 31, 2012		7,612
Fair value adjustment, prior to exercise of warrants, included in statement of operations		(22	)
Exercise of derivative warrants		(69	)
Fair value adjustment at end of period, included in statement of operations		398
Balance at March 31, 2013		7,919

Valuation processes for Level 3 Fair Value Measurements

Fair value measurement of the derivative liability on account of Special Bridge Warrants, Conversion Warrants, Preferential Reload Warrants and Series 1 Warrants (as defined in Note 7) fall within Level 3 of the fair value hierarchy. The fair value measurements are evaluated by management to ensure that changes are consistent with expectations of management based upon the sensitivity and nature of the inputs.

Description	Valuation technique	Unobservable inputs	Range
Special Bridge Warrants, Conversion Warrants, Preferential Reload Warrants and the Series 1 Warrants	Black-Scholes-Merton and the Monte-Carlo models	Volatility		56.48% – 58.10%
		Risk free interest rate		0.25% – 0.60%
		Expected term, in years		1.75 – 4.30
		Dividend yield		0%
		Probability and timing of down-round triggering event		15% occurrence in December 2013

Sensitivity of Level 3 measurements to changes in significant unobservable inputs

The inputs to estimate the fair value of the Company’s derivative warrant liability are the current market price of the Company’s common stock, the exercise price of the warrant, its remaining expected term, the volatility of the Company’s common stock market price, the Company’s estimations regarding the probability and timing of a down-round protection triggering event and the risk-free interest rate. Significant changes in any of those inputs in isolation can result in a significant change in the fair value measurement. Generally, a positive change in the market price of the Company’s common stock, and an increase in the volatility of the Company’s shares of common stock, or an increase in the remaining term of the warrant, or an increase of a probability of a down-round triggering event would each result in a directionally similar change in the estimated fair value of the Company’s warrants and thus an increase in the associated liability and vice-versa. An increase in the risk-free interest rate or a decrease in the positive differential between the warrant’s exercise price and the market price of the Company’s shares of common stock would result in a decrease in the estimated fair value measurement of the warrants and thus a decrease in the associated liability. The Company has not, nor plans to, declare dividends on its common stock, and thus, there is no change in the estimated fair value of the warrants due to the dividend assumption.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
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-Number 107
-Paragraph 15B
-Subparagraph a, b
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
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Reference 9: http://www.xbrl.org/2003/role/presentationRef
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Reference 11: http://www.xbrl.org/2003/role/presentationRef
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Reference 12: http://www.xbrl.org/2003/role/presentationRef
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 13: http://www.xbrl.org/2003/role/presentationRef
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Business Combination

3 Months Ended

Mar. 31, 2013

Business Combinations [Abstract]

Business Combination

Note 5 – Business Combination

On July 19, 2012, I/P consummated the Merger with the Legal Parent, as also described in Note 1. The consideration consisted of various equity instruments, including: shares of common stock, preferred stock, options and warrants. The purpose of the Merger was to increase the combined company's intellectual property portfolio and array of products, to gain access to capital markets, and for other reasons. Upon completion of the Merger, (i) all then outstanding 6,169,661 common stock shares of I/P, par value $0.0001 per share, were exchanged for 18,617,569, shares of the Company’s common stock, par value $0.01 per share, and (ii) all then outstanding shares of Series A Convertible Preferred Stock of I/P, par value $0.0001 per share, were exchanged for 6,673 shares of the Legal Parent’s Series A Convertible Preferred Stock, par value $0.01 per share, which shares were convertible into 20,136,445 shares of common stock of the Legal Parent. In addition, the Legal Parent issued to the holders of I/P capital stock an aggregate of 15,959,838 warrants to purchase an aggregate of 15,959,838 shares of the Company’s common stock with an exercise price of $1.76 per share. The Company recorded such warrants as a derivative long-term liability in the total amount of $21,954 (see also Note 4). In addition, all outstanding and unexercised options to purchase I/P common stock, whether vested or unvested, were converted into 41,178 options to purchase the Company’s common stock. Immediately following the completion of the Merger, the former stockholders of I/P owned approximately 55.04% of the outstanding common stock of the combined company (or 67.61% of the outstanding shares of the Company’s common stock, calculated on a fully diluted basis), and the Legal Parent’s stockholders prior to the Merger owned approximately 44.96% of the outstanding common stock of the combined company (or 32.39% of the outstanding shares of its common stock calculated on a fully diluted basis). For accounting purposes, I/P was identified as the accounting “acquirer”, as it is defined in FASB Topic ASC 805. The total purchase price of $75,654 was allocated to the assets acquired and liabilities assumed of the Legal Parent. Registration and issuance cost, in the total amount of $463, was recorded against the additional paid-in capital.

	Provisional allocation of purchase price
Current assets, net of current liabilities		2,586
Long-term deposit		8
Property and equipment		124
Technology		10,133
Goodwill		65,965
Total assets acquired, net		78,816

Fair value of outstanding warrants granted by Legal Parent prior to the Merger, classified as a long-term derivative liability		(3,162	)
Total liabilities assumed, net		(3,162	)

		75,654
Measurement of consideration:
Fair value of vested stock options granted to employees, management and consultants, classified as equity		7,364
Fair value of outstanding warrants granted by the Legal Parent prior to the Merger, classified as equity		10,079
Fair value of Vringo shares of common stock and vested $0.01 options granted to employees, management and consultants		58,211
Total estimated purchase price		75,654

The fair values of the identified intangible assets were estimated using an income approach. Under the income approach, an intangible asset’s fair value is equal to the present value of future economic benefits to be derived from ownership of the asset. Indications of value are developed by discounting future net cash flows to their present value at market-based rates of return. The goodwill recognized as a result of the acquisition is primarily attributable to the value of the workforce and other intangible asset arising as a result of name, operational synergies, products, and similar factors which could not be separately identified. The useful life of the intangible assets for amortization purposes was determined considering the period of expected cash flows used to measure the fair value of the intangible assets adjusted as appropriate for the entity-specific factors including legal, regulatory, contractual, competitive economic or other factors that may limit the useful life of intangible assets. As of March 31, 2013, according to ASC 805, the purchase price allocation is still provisional. The Company expects the existing value of its goodwill to change upon completion of a study regarding its total net tax loss carryforwards utilizable for tax purposes, performed by a third party expert. Goodwill recognized is not deductible for income tax purposes. Had the acquisition taken place on June 8, 2011 (Inception), the revenue in the consolidated statement of operations and the consolidated net loss would have been as follows:

	Three month period ended March 31, 2012					Cumulative from Inception to March 31, 2013
	Revenue		Net Loss			Revenue		Net Loss
Total amount		106		(7,762	)		1,074		(52,580	)

The pro forma adjustment consists of amortization of acquired technology. The amortization, net, for the three month period ended March 31, 2012 would have been $247. The amortization, net, for the period from Inception through March 31, 2013 would have been $1,789. The above pro forma disclosure excludes the possible impact of valuation of equity and derivative instruments valued in connection with the Merger.

- Definition

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 16: http://www.xbrl.org/2003/role/presentationRef
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Reference 17: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
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Reference 18: http://www.xbrl.org/2003/role/presentationRef
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 19: http://www.xbrl.org/2003/role/presentationRef
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+ Details

Series A Convertible Preferred Stock

3 Months Ended

Mar. 31, 2013

Series Convertible Preferred Stock [Abstract]

Series A Convertible Preferred Stock

Note 6—Series A Convertible Preferred Stock

Prior to the Merger, I/P was authorized to issue up to 10,000,000* shares of preferred stock, par value $0.0001, of which 6,968* shares of preferred stock were designated as Series A Convertible Preferred Stock with such rights and preferences designated in the relevant Certificate of Designations (the “Series A Preferred Stock”). In June 2011, I/P issued 6,968* shares of Series A Preferred Stock to Hudson Bay for $1,800. The Series A Preferred Stock had a liquidation preference of $1,250 per share and was otherwise convertible, at the option of the holder, into 6,968,000* shares of I/P’s common stock at a conversion price of $1 per common share received, subject to adjustment for anti-dilution and other corporate events. In 2012, prior to the Merger, 295 shares of Series A Convertible Preferred Stock were converted into 295,000* shares of common stock of I/P.

Prior to the Merger, the Series A Convertible Preferred Stock was classified as mezzanine equity, because of certain cash redemption triggering events which were outside the control of the Company. Upon the Merger, the remaining 6,673* Series A Preferred stock shares were exchanged for 6,673 shares of equity-classified new Series A Convertible Preferred Stock, $0.01 par value (“New Series A Convertible Preferred Stock”), issued by Legal Parent to former stockholders of I/P, as part of the Merger. The shares of New Series A Convertible Preferred Stock were convertible into 20,136,445 shares of the Legal Parent’s shares of common stock and were classified as equity, as a cash-based redemption event is only triggered by events which are fully in the control of the Company. In August 2012, following the consummation of the Merger, all outstanding shares of New Series A Convertible Preferred Stock were converted.

* Share amounts were not retrospectively restated to reflect Vringo’s equity instruments after the Merger.

Stockholders' Equity

3 Months Ended

Mar. 31, 2013

Stockholders' Equity Note [Abstract]

Stockholders' Equity

Note 7—Stockholders’ Equity

Pre-Merger common stock share amounts and balance sheet disclosures were retrospectively restated to reflect Vringo’s equity instruments after the Merger.

(a) Common Stock

The following table summarizes information about the Company's issued and outstanding common stock from Inception through March 31, 2013:

	Shares of common stock
Balance as of June 8, 2011 (Inception)		—
Grant of shares at less than fair value to officers, directors and consultants		8,768,014
Issuance of shares of common stock		8,204,963
Balance as of December 31, 2011		16,972,977
Conversion of Series A Preferred Convertible Preferred stock, classified as mezzanine equity		890,192
Grant of shares to consultants		265,000
Legal Parent’s shares of common stock, recorded upon Merger		15,206,118
Exercise of 250,000 warrants, issued and exercised prior to the Merger		754,400
Post-Merger exercise of warrants		6,832,150
Exercise of stock options and RSUs		726,346
Conversion of Series A Preferred Convertible Preferred stock, classified as equity		20,136,445
Issuance of shares of common stock in connection with $31,148 received in a private financing round, net of issuance cost of $52		9,600,000
Issuance of shares of common stock in connection with $44,962 received in a private financing round, net of issuance cost of $39		10,344,998
Shares issued for acquisition of patents, see Note 3		160,600
Balance as of December 31, 2012		81,889,226
Exercise of warrants		94,147
Exercise of stock options and RSUs		533,562
Balance as of March 31, 2013		82,516,935

(b) Equity Incentive Plan

In August 2011, I/P adopted its 2011 Equity and Performance Incentive Plan (the “I/P 2011 Plan”). The I/P 2011 Plan provided for the issuance of stock options and restricted stock to the Company’s directors, employees and consultants. Terminated, expired or forfeited grants may be reissued under the I/P 2011 Plan. The number of shares available under I/P 2011 Plan was subject to adjustments for certain changes. Following the Merger with the Legal Parent, the I/P 2011 Plan was assumed by the Company’s 2012 Employee, Director and Consultant Equity Incentive Plan (“2012 Plan”).

On July 19, 2012, following the Merger with the Legal Parent, the Company’s stockholders approved the 2012 Plan, replacing the existing 2006 Stock Option Plan of the Legal Parent, and the remaining 9,100,000 authorized shares thereunder were cancelled. The 2012 Plan was approved in order to ensure full compliance with legal and tax requirements under U.S. law. The number of shares subject to the 2012 Plan is the sum of: (i) 15,600,000 shares of common stock, which constitutes 6,500,000 new shares and 9,100,000 previously authorized but unissued shares under the 2006 Stock Option Plan and (ii) any shares of common stock that are represented by awards granted under the Legal Parent’s 2006 Stock Option Plan that are forfeited, expired or are cancelled without delivery of shares of common stock or which result in the forfeiture of shares of common stock back to the Company, or the equivalent of such number of shares after the administrator, in its sole discretion, has interpreted the effect of any stock split, stock dividend, combination, recapitalization or similar transaction in accordance with the 2012 Plan; provided, however, that no more than 3,200,000 shares shall be added to the 2012 Plan. As of March 31, 2013, 3,722,750 shares were available for future grants under the 2012 Plan.

(c) Stock options and RSUs

The following table illustrates the common stock options granted for the three month period ended March 31, 2013:

Title	Grant date	No. of options		Exercise price		Share price at grant date		Vesting terms	Assumptions used in Black-Scholes option pricing model
Management, Directors and Employees *	January-March 2013		2,630,833		$3.18-$3.24		$3.18-$3.24	Over 1-3 years	Volatility	63.65%-64.26%
									Risk free interest rate	1.07%-2.06%
									Expected term, in years	5.71-10.00
									Dividend yield	0.00%
Consultants *	January-March 2013		112,500		$2.90-$3.30		$2.90-$3.30	Over 0-2.5 years	Volatility	63.87%-68.96%
									Risk free interest rate	1.86%-2.16%
									Remaining expected term, in years	9.75-10
									Dividend yield	0.00%

The following table illustrates the RSUs granted for the three month period ended March 31, 2013:

Title	Grant date	No. of RSUs		Exercise price		Share price at grant date		Vesting terms
Management, directors and employees *	February 2013		636,250		—	$	3.18	Over 1-3 years
Consultants	January 2013		33,000		—	$	3.26	Over 9 months

* Certain options granted to officers, directors and certain key employees are subject to acceleration of vesting of 75% - 100% (according to the agreement signed with each optionee), upon a subsequent change of control.

The following table summarizes information about stock option and RSU activity for the three month period ended March 31, 2013:

	RSUs					Options
	No. of RSUs			Weighted average grant date fair value		No. of options			Weighted average exercise price		Exercise price range		Weighted average grant date fair value
Outstanding at January 1, 2013		3,125,000		$	3.72		9,149,105		$	3.33		$0.01 – $5.50	$	2.57
Granted		669,250		$	3.18		2,743,333		$	3.19		$3.18 – $3.24	$	2.43
Exercised		(449,749	)	$	3.70		(83,813	)	$	0.14		$0.01 – $1.50	$	3.60
Forfeited		(8,126	)	$	3.72		(95,312	)	$	3.62		$0.01 – $5.50	$	2.35
Outstanding at March 31, 2013		3,336,375		$	3.61		11,713,313		$	3.31		$0.01 – $5.50	$	2.53
Exercisable at March 31, 2013		—			—		5,010,156		$	3.11		$0.01 – $5.50

For the three month periods ended March 31, 2013 and 2012, the Company recorded total stock compensation expense of $3,094 and $84, respectively. Cumulatively from Inception through March 31, 2013, the Company has recorded stock compensation expense of $11,655.

The Company cumulatively did not create tax benefits related to its stock-based compensation due to a full valuation allowance in the U.S.

(d) Warrants

The following table summarizes information about warrant activity for the three month period ended March 31, 2013:

	No. of warrants			Weighted average exercise price		Exercise price range
Outstanding at January 1, 2013		18,863,261		$	3.11		$0.94 – $5.06
Granted		—			—		—
Exercised		(94,147	)	$	1.76		$1.76
Outstanding at March 31, 2013		18,769,114		$	3.12		$0.94 – $5.06

The Company’s outstanding warrants consisted of the following:

(a) Series 1 and Series 2 Warrants

As part of the Merger, on July 19, 2012, the Legal Parent issued to I/P’s stockholders 8,299,116 warrants at an exercise price of $1.76 per share and contractual term of 5 years (“Series 1 Warrant”). These warrants bear down-round protection clauses and as a result, they were classified as a long-term derivative liability and recorded at fair value. In addition, I/P’s stockholders received another 7,660,722 warrants at an exercise price of $1.76 per share and contractual term of 5 years (“Series 2 Warrant”). As the Series 2 Warrants do not have down-round protection clauses, they were classified as equity. During the three month period ended March 31, 2013, 48,957 Series 1 Warrants and 45,190 Series 2 Warrants were exercised. From Inception and through March 31, 2013, 4,704,056 Series 1 Warrants and 1,326,060 Series 2 Warrants were exercised.

(b) Conversion Warrants, Special Bridge Warrants and Reload Warrants

On July 19, 2012, the date of the Merger, Legal Parent’s outstanding warrants included: (i) 148,390 derivative warrants, at an exercise price of $0.94 per share, with a remaining contractual term of 2.44 years (the “Special Bridge Warrants”); (ii) 101,445 derivative warrants, at an exercise price of $0.94 per share, with a remaining contractual term of 2.44 years (the “Conversion Warrants”); (iii) 887,330 derivative warrants, at an exercise price of $1.76 per share, with a remaining contractual term of 4.55 years (the “Preferential Reload Warrants”); and (iv) 814,408 warrants, classified as equity, at an exercise price of $1.76 per share, with a remaining contractual term of 4.55 years (the “non-Preferential Reload Warrants”). During the three month period ended March 31, 2013, none of these warrants were exercised. From Inception and through March 31, 2013, 169,520 non-Preferential Reload Warrants and 726,721 Preferential Reload Warrants were exercised.

(c) Initial Public Offering Warrants

Upon completion of its initial public offering, the Legal Parent issued 4,784,000 warrants at an exercise price of $5.06 per share. These warrants are publicly traded and are exercisable until June 21, 2015, at an exercise price of $5.06 per share. As of March 31, 2013, all of these warrants were outstanding and classified as equity.

(d) October 2012 Warrants

On October 12, 2012, the Company entered into an agreement with certain of its warrant holders, pursuant to which, on October 23 and 24, 2012, the holders exercised in cash 3,721,062 of their outstanding warrants, with an exercise price of $1.76 per share. In exchange, the Company granted such warrant holders unregistered warrants of the Company to purchase an aggregate of 3,000,000 shares of the Company’s common stock, par value $0.01 per share, at an exercise price of $5.06 per share (the “October 2012 Warrants”). The contractual life of these warrants is 2.66 years and because such warrants do not bear any down-round protection clauses they were classified as equity instruments. October 2012 Warrants were valued using the following assumptions: volatility: 68.1%, share price: $3.50-$3.77, risk free interest rate: 0.724% and dividend yield: 0%. The fair value of warrants issued in exchange for the exercise of the Company’s derivative warrants was accounted for as an inducement, therefore an amount of $2,883, was recorded as a non-operating expense. As of March 31, 2013, all October 2012 warrants were outstanding.

- Definition

The entire disclosure for shareholders' equity, comprised of portions attributable to the parent entity and noncontrolling interest, if any, including other comprehensive income (as applicable). Including, but not limited to: (1) balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings; (2) accumulated balance for each classification of other comprehensive income and total amount of comprehensive income; (3) amount and nature of changes in separate accounts, including the number of shares authorized and outstanding, number of shares issued upon exercise and conversion, and for other comprehensive income, the adjustments for reclassifications to net income; (4) rights and privileges of each class of stock authorized; (5) basis of treasury stock, if other than cost, and amounts paid and accounting treatment for treasury stock purchased significantly in excess of market; (6) dividends paid or payable per share and in the aggregate for each class of stock for each period presented; (7) dividend restrictions and accumulated preferred dividends in arrears (in aggregate and per share amount); (8) retained earnings appropriations or restrictions, such as dividend restrictions; (9) impact of change in accounting principle, initial adoption of new accounting principle and correction of an error in previously issued financial statements; (10) shares held in trust for Employee Stock Ownership Plan (ESOP); (11) deferred compensation related to issuance of capital stock; (12) note received for issuance of stock; (13) unamortized discount on shares; (14) description, terms, and number of warrants or rights outstanding; (15) shares under subscription and subscription receivables, effective date of new retained earnings after quasi-reorganization and deficit eliminated by quasi-reorganization and, for a period of at least ten years after the effective date, the point in time from which the new retained dates; and (16) retroactive effective of subsequent change in capital structure.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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-Paragraph 1
-Subparagraph (SX 210.4-08.(d),(e))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6521494

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Reference 14: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Research Bulletin (ARB)
-Number 43
-Section B
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-Chapter 1
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 15: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 10
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Article 4

Reference 18: http://www.xbrl.org/2003/role/presentationRef
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-Number 210
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-Paragraph 29, 30, 31
-Article 5

Reference 19: http://www.xbrl.org/2003/role/presentationRef
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-Name Staff Accounting Bulletin (SAB)
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Reference 20: http://www.xbrl.org/2003/role/presentationRef
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Reference 21: http://www.xbrl.org/2003/role/presentationRef
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Reference 23: http://www.xbrl.org/2003/role/presentationRef
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-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

+ Details

Commitments and Contingencies

3 Months Ended

Mar. 31, 2013

Commitments and Contingencies [Abstract]

Commitments and Contingencies

Note 8—Commitments and Contingencies

The Company retains the services of law firms that specialize in intellectual property licensing, enforcement and patent law. These law firms are retained on an hourly fee, monthly fee, project fee, contingent fee, or blended fee basis. In a contingency fee arrangement, law firms are paid a scaled percentage of any negotiated fees, settlements or judgments awarded, based on how and when the fees, settlements or judgments are obtained.

On November 6, 2012, the Company received a verdict in its case against AOL, Inc., Google, Inc., IAC Search & Media, Inc., Gannett Company, Inc. and Target Corporation (collectively, "Defendants") with respect to the Defendants' infringement of the asserted claims of U.S. Patent Nos. 6,314,420 and 6,775,664 (collectively, the "IPE Patents"). After finding that the asserted claims of the IPE Patents were not invalid, and infringed by the Defendants, the jury found that reasonable royalty damages should be based on a "running royalty", and that the running royalty rate should be 3.5%. The jury also found that the following sums of money, if paid now in cash, would reasonably compensate I/P Engine for the Defendants’ past infringement as follows: Google: $15,800, AOL: $7,943, IAC: $6,650, Gannett: $4, Target: $99. Motions by I/P Engine for awards of pre-judgment interest, post-judgment interest, supplemental damages and post-judgment royalties, are pending in U.S. District Court. I/P Engine and Defendants have filed notices of appeal with the Court of Appeals for the Federal Circuit. In response to a request by Google, Inc., the IPE Patents are being reexamined by the U.S. Patent and Trademark Office (see also Note 9 (b)). On January 31, 2013, I/P Engine filed an action asserting infringement of the IPE Patents in the United States District Court, Southern District of New York, against Microsoft Corporation. According to certain scaled fee agreements, I/P Engine will pay between 15% and 20% of any recovery to professional service providers. As of March 31, 2013, the Company did not record any revenue, nor a liability for any potential, contingent, legal fees, related to these litigations, as timing of collection, if any, or the amounts due to it, cannot be determined.

From October 2012 through March 31, 2013, the Company’s subsidiaries filed patent infringement lawsuits against the subsidiaries of ZTE Corporation in the United Kingdom, France and Germany. Should the Company be deemed the losing party in any of its applications to the court in the UK, it may be held responsible for a substantial percentage of the defendant’s legal fees for the relevant application or for the litigation. As a result, the Company placed a guarantee to ensure the payment of a potential liability, which the defendants estimated to be approximately $2,900. However, should the Company be successful on any court applications or the entire litigation, ZTE would be responsible for a substantial percentage of its legal fees. In addition, the Company will grant additional guarantees, as necessary, in connection with its commenced proceedings against ZTE in Europe.

In July 2012, the Company signed a rental agreement for its new headquarters in New York. According to the new agreement, the Company shall pay an annual fee of approximately $137 (subject to certain adjustments). The Company’s subsidiary in Israel leases an office space for a period of up to four years (including options to extend the terms of the lease). According to the agreement, the subsidiary in Israel shall pay an annual fee of approximately $72 (in NIS, subject to certain adjustments). Rent expense for operating leases and automobiles for the three month periods ended March 31, 2013 and 2012, and the cumulative period from Inception until March 31, 2013, was $53, $8 and $227, respectively.

Future minimum lease payments under non-cancelable operating leases for office space and cars, as of March 31, 2013, are as follows:

	Amount
Period ending December 31,
2013 (nine months ending December 31, 2013)		177
2014		178
2015		104
		459

- Definition

The entire disclosure for commitments and contingencies.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 14
-Paragraph 3
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Risks and Uncertainties

3 Months Ended

Mar. 31, 2013

Risks and Uncertainties [Abstract]

Risks and Uncertainties

Note 9—Risks and Uncertainties

(a)		New legislation, regulations or rulings that impact the patent enforcement process or the rights of patent holders, could negatively affect the Company’s current business model. For example, limitations on the ability to bring patent enforcement claims, limitations on potential liability for patent infringement, lower evidentiary standards for invalidating patents, increases in the cost to resolve patent disputes and other similar developments could negatively affect the Company’s ability to assert its patent or other intellectual property rights.

(b)		As part of the Company’s ongoing legal proceedings, the validity and/or enforceability of the patents is often challenged in a court or administrative proceeding. Several of the Company’s patents are being challenged in several jurisdictions. In particular, on March 15, 2012, Google submitted a request to the USPTO for ex parte reexamination of U.S. Patent No. 6,314,420. On July 18, 2012, the USPTO issued a determination ordering a reexamination. On September 25, 2012, the USPTO issued a first, non-final office action where it adopted the rejections proposed by Google. The Company's response was filed on November 26, 2012. A final, appealable office action maintaining the rejections was mailed on May 3, 2013. The Company has until July 3, 2013 to file a response or a notice of appeal to the Patent Trial and Appeal Board. On November 28, 2012, Google submitted a request to the USPTO for ex parte reexamination of U.S. Patent No. 6,775,664. On January 17, 2013, the USPTO issued a determination ordering a reexamination, but found that three of the prior art references identified by Google were not considered prior art to the 6,775,664 patent. Google filed a second reexamination request of that patent on February 8, 2013. On March 7, 2013, the USPTO issued a determination ordering a reexamination based on the three additional references. The Company believes its patents are both valid and enforceable.

(c)		Financial instruments which potentially subject the Company to significant concentrations of credit risk consist principally of cash, cash equivalents, short-term investments and accounts receivable. The Company maintains its cash, cash equivalents and short-term investments with various major financial institutions. These major financial institutions are located in the United States, Germany and Israel, and the Company’s policy is designed to limit exposure to any one institution.
(d)		A portion of the Company’s expenses are denominated in NIS, British Pound and Euro. If the value of the U.S. dollar weakens against the value of these currencies, there will be a negative impact on the Company’s operating costs. In addition, the Company is subject to the risk of exchange rate fluctuations to the extent it holds monetary assets and liabilities in these currencies.

- Definition

The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 94-6
-Paragraph 21, 22, 24
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Significant Accounting and Reporting Policies (Policies)

3 Months Ended

Mar. 31, 2013

Accounting Policies [Abstract]

Basis of presentation

(a) Basis of presentation

Development stage enterprise

(b) Development stage enterprise

Translation into U.S. dollars

(c) Translation into U.S. dollars

	NIS		Euro
At March 31, 2013		3.648		0.782
At December 31, 2012		3.733		0.759
Average exchange rate for the period from July 19, 2012 through March 31, 2013		3.846		0.775
Average exchange rate for the period from January 1, 2013 through March 31, 2013		3.708		0.757

Use of estimates

(d) Use of estimates

Cash and cash equivalents

(e) Cash and cash equivalents

Short-term investments

(f) Short-term investments

Net loss per share data

(g) Net loss per share data

	Three months ended						Cumulative from Inception to
	March 31,						March 31,
	2013			2012			2013
Basic Numerator:
Net loss attributable to shares of common stock	$	(11,964	)	$	(1,871	)	$	(35,559	)
Basic Denominator:
Weighted average number of shares of common stock outstanding during the period		82,185,649			4,365,117			35,835,214
Weighted average number of penny stock options		203,704			—			113,220
Basic common stock shares outstanding		82,389,353			4,365,117			35,948,434
Basic net loss per common stock share	$	(0.15	)	$	(0.43	)	$	(0.99	)

Diluted Numerator:
Net loss attributable to shares of common stock	$	(11,964	)	$	(1,871	)	$	(35,559	)
Increase in net loss attributable to Series 1 warrants	$	—		$	—		$	(4,060	)
Increase in net loss attributable to Preferential Reload warrants	$	—		$	—		$	(135	)
Increase in net loss attributable to Conversion warrants	$	—		$	—		$	(68	)
Increase in net loss attributable to Special Bridge warrants	$	—		$	—		$	(99	)
Diluted net loss attributable to shares of common stock:	$	(11,964	)	$	(1,871	)	$	(39,921	)
Diluted Denominator:
Weighted average number of shares of common stock outstanding during the period		82,185,649			4,365,117			35,835,214
Weighted average number of Series 1 warrants outstanding during the period		—			—			2,061,332
Weighted average number of Preferential Reload warrants outstanding during the period		—			—			63,203
Weighted average number of Conversion warrants outstanding during the period		—			—			39,921
Weighted average number of Special Bridge warrants outstanding during the period		—			—			58,394
Weighted average number of penny stock options		203,704			—			113,220
Diluted common stock shares outstanding		82,389,353			4,365,117			38,171,284
Diluted net loss per common stock share	$	(0.15	)	$	(0.43	)	$	(1.05	)

Net loss per share data presented excludes from the calculation of diluted net loss the following potentially dilutive securities, outstanding as of March 31, 2013, as they had an anti-dilutive impact:
Both vested and unvested options at $0.96-$5.50 exercise price, to purchase an equal number of shares of common stock of the Company		11,583,888			—			11,583,888
Unvested $0.01 options to purchase an equal number of shares of common stock of the Company		12,125			—			12,125
Unvested Restricted Stock Units (“RSU”) to issue an equal number of shares of common stock of the Company		3,336,375			—			3,336,375
Common stock shares granted, but not yet vested		77,193			1,130,800			77,193
Warrants to purchase an equal number of shares of common stock of the Company		18,769,114			250,000			13,120,461
Total number of potentially dilutive instruments, excluded from the calculation of net loss per share:		33,778,695			1,380,800			28,130,042

Reclassification

(h) Reclassification

Certain comparative figures were reclassified to conform to the Company’s post-Merger presentation.

- Definition

Disclosure of accounting policy for cash and cash equivalents, including the policy for determining which items are treated as cash equivalents. Other information that may be disclosed includes (1) the nature of any restrictions on the entity's use of its cash and cash equivalents, (2) whether the entity's cash and cash equivalents are insured or expose the entity to credit risk, (3) the classification of any negative balance accounts (overdrafts), and (4) the carrying basis of cash equivalents (for example, at cost) and whether the carrying amount of cash equivalents approximates fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Cash Equivalents
-URI http://asc.fasb.org/extlink&oid=6507016

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Financial Reporting Release (FRR)
-Number 203
-Paragraph 02-03

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 1
-Article 5

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Technical Practice Aid (TPA)
-Number 2110
-Paragraph 6
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 7, 8, 9, 10
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

- Definition

Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security. Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements.

+ References + Details

- Definition

Disclosure of accounting policy for investments in financial assets, including marketable securities (debt and equity securities with readily determinable fair values), investments accounted for under the equity method and cost method, securities borrowed and loaned, and repurchase and resale agreements. For marketable securities, the disclosure may include the entity's accounting treatment for transfers between investment categories and how the fair values for such securities are determined. Also, for all investments, an entity may describe its policy for assessing, recognizing and measuring impairment of the investment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27290-111563

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.2,12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 325
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6872867&loc=d3e40691-111596

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section M

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number FAS115-1/124-1
-Paragraph 7-18
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 2, 12
-Article 5

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 7-16
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 10, 11
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Significant Accounting and Reporting Policies (Tables)

3 Months Ended

Mar. 31, 2013

Accounting Policies [Abstract]

Transactions in foreign currency

All exchange gains and losses from remeasurement of monetary balance sheet items denominated in non-dollar currencies are reflected as finance expense in the statement of operations, as they arise.

	NIS		Euro
At March 31, 2013		3.648		0.782
At December 31, 2012		3.733		0.759
Average exchange rate for the period from July 19, 2012 through March 31, 2013		3.846		0.775
Average exchange rate for the period from January 1, 2013 through March 31, 2013		3.708		0.757

Computation of Basic and Diluted Net Losses Per Common Share

The table below presents the computation of basic and diluted net losses per common share:

	Three months ended						Cumulative from Inception to
	March 31,						March 31,
	2013			2012			2013
Basic Numerator:
Net loss attributable to shares of common stock	$	(11,964	)	$	(1,871	)	$	(35,559	)
Basic Denominator:
Weighted average number of shares of common stock outstanding during the period		82,185,649			4,365,117			35,835,214
Weighted average number of penny stock options		203,704			—			113,220
Basic common stock shares outstanding		82,389,353			4,365,117			35,948,434
Basic net loss per common stock share	$	(0.15	)	$	(0.43	)	$	(0.99	)

Diluted Numerator:
Net loss attributable to shares of common stock	$	(11,964	)	$	(1,871	)	$	(35,559	)
Increase in net loss attributable to Series 1 warrants	$	—		$	—		$	(4,060	)
Increase in net loss attributable to Preferential Reload warrants	$	—		$	—		$	(135	)
Increase in net loss attributable to Conversion warrants	$	—		$	—		$	(68	)
Increase in net loss attributable to Special Bridge warrants	$	—		$	—		$	(99	)
Diluted net loss attributable to shares of common stock:	$	(11,964	)	$	(1,871	)	$	(39,921	)
Diluted Denominator:
Weighted average number of shares of common stock outstanding during the period		82,185,649			4,365,117			35,835,214
Weighted average number of Series 1 warrants outstanding during the period		—			—			2,061,332
Weighted average number of Preferential Reload warrants outstanding during the period		—			—			63,203
Weighted average number of Conversion warrants outstanding during the period		—			—			39,921
Weighted average number of Special Bridge warrants outstanding during the period		—			—			58,394
Weighted average number of penny stock options		203,704			—			113,220
Diluted common stock shares outstanding		82,389,353			4,365,117			38,171,284
Diluted net loss per common stock share	$	(0.15	)	$	(0.43	)	$	(1.05	)

Net loss per share data presented excludes from the calculation of diluted net loss the following potentially dilutive securities, outstanding as of March 31, 2013, as they had an anti-dilutive impact:
Both vested and unvested options at $0.96-$5.50 exercise price, to purchase an equal number of shares of common stock of the Company		11,583,888			—			11,583,888
Unvested $0.01 options to purchase an equal number of shares of common stock of the Company		12,125			—			12,125
Unvested Restricted Stock Units (“RSU”) to issue an equal number of shares of common stock of the Company		3,336,375			—			3,336,375
Common stock shares granted, but not yet vested		77,193			1,130,800			77,193
Warrants to purchase an equal number of shares of common stock of the Company		18,769,114			250,000			13,120,461
Total number of potentially dilutive instruments, excluded from the calculation of net loss per share:		33,778,695			1,380,800			28,130,042

Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Components of Finite-Lived Intangible Assets

As of March 31, 2013		As of December 31, 2012		Weighted average amortization period (years)
Acquired technology (see Note 5)	10,133		10,133		6.0
Patents	26,694		26,694		8.5
Total	36,827		36,827

Less: accumulated amortization	(4,038	)	(2,783	)
	32,789		34,044

Finite-Lived Intangible Assets, Future Amortization Expense

Estimated amortization expense for each of the five succeeding years, based upon intangible assets owned at March 31, 2013 is as follows:

	Amount
Period ending December 31,
2013 (nine months ending December 31, 2013)		3,746
2014		5,002
2015		5,002
2016		4,610
2017 and thereafter		14,429
		32,789

Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2013

Fair Value Measurements [Abstract]

Assets and Liabilities Measured at Fair Value on Recurring Basis

			Fair value measurement at reporting date using
			Quoted prices in
			active markets		Significant other		Significant
	March 31,		for identical		observable		unobservable
Description	2013		assets (Level 1)		inputs (Level 2)		inputs (Level 3)
Liabilities as of March 31, 2013:
Derivative liabilities on account of warrants		7,919		—		—		7,919
Total liabilities as of March 31, 2013:		7,919		—		—		7,919

Liabilities as of December 31, 2012:
Derivative liabilities on account of warrants		7,612		—		—		7,612
Total liabilities as of December 31, 2012:		7,612		—		—		7,612

Changes in Liabilities Measured at Fair Value Using Significant Unobservable Inputs

The following table summarizes the changes in the Company’s liabilities measured at fair value using significant unobservable inputs (Level 3) during the period from Inception through March 31, 2013.

	Level 3
Balance at Inception		—
Balance at December 31, 2011		—
Derivative warrants issued to I/P’s shareholders in connection with the Merger, July 19, 2012		21,954
Fair value of derivative warrants issued by Legal Parent (see Note 5)		3,162
Fair value adjustment, prior to exercise of warrants, included in statement of operations		156
Exercise of derivative warrants		(10,657	)
Fair value adjustment at end of period, included in statement of operations		(7,003	)
Balance at December 31, 2012		7,612
Fair value adjustment, prior to exercise of warrants, included in statement of operations		(22	)
Exercise of derivative warrants		(69	)
Fair value adjustment at end of period, included in statement of operations		398
Balance at March 31, 2013		7,919

Fair Value Measurements Based Upon Sensitivity and Nature of Inputs

Description	Valuation technique	Unobservable inputs	Range
Special Bridge Warrants, Conversion Warrants, Preferential Reload Warrants and the Series 1 Warrants	Black-Scholes-Merton and the Monte-Carlo models	Volatility		56.48% – 58.10%
		Risk free interest rate		0.25% – 0.60%
		Expected term, in years		1.75 – 4.30
		Dividend yield		0%
		Probability and timing of down-round triggering event		15% occurrence in December 2013

- Definition

Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability.

+ References + Details

Business Combination (Tables)

3 Months Ended

Mar. 31, 2013

Business Combinations [Abstract]

Components of Recognized Identified Assets Acquired and Liabilities Assumed

	Provisional allocation of purchase price
Current assets, net of current liabilities		2,586
Long-term deposit		8
Property and equipment		124
Technology		10,133
Goodwill		65,965
Total assets acquired, net		78,816

Fair value of outstanding warrants granted by Legal Parent prior to the Merger, classified as a long-term derivative liability		(3,162	)
Total liabilities assumed, net		(3,162	)

		75,654
Measurement of consideration:
Fair value of vested stock options granted to employees, management and consultants, classified as equity		7,364
Fair value of outstanding warrants granted by the Legal Parent prior to the Merger, classified as equity		10,079
Fair value of Vringo shares of common stock and vested $0.01 options granted to employees, management and consultants		58,211
Total estimated purchase price		75,654

Business Acquisition, Pro Forma Information

Had the acquisition taken place on June 8, 2011 (Inception), the revenue in the consolidated statement of operations and the consolidated net loss would have been as follows:

	Three month period ended March 31, 2012					Cumulative from Inception to March 31, 2013
	Revenue		Net Loss			Revenue		Net Loss
Total amount		106		(7,762	)		1,074		(52,580	)

- Definition

Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate.

+ References + Details

Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2013

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Components of Common Stock Outstanding

The following table summarizes information about the Company's issued and outstanding common stock from Inception through March 31, 2013:

	Shares of common stock
Balance as of June 8, 2011 (Inception)		—
Grant of shares at less than fair value to officers, directors and consultants		8,768,014
Issuance of shares of common stock		8,204,963
Balance as of December 31, 2011		16,972,977
Conversion of Series A Preferred Convertible Preferred stock, classified as mezzanine equity		890,192
Grant of shares to consultants		265,000
Legal Parent’s shares of common stock, recorded upon Merger		15,206,118
Exercise of 250,000 warrants, issued and exercised prior to the Merger		754,400
Post-Merger exercise of warrants		6,832,150
Exercise of stock options and RSUs		726,346
Conversion of Series A Preferred Convertible Preferred stock, classified as equity		20,136,445
Issuance of shares of common stock in connection with $31,148 received in a private financing round, net of issuance cost of $52		9,600,000
Issuance of shares of common stock in connection with $44,962 received in a private financing round, net of issuance cost of $39		10,344,998
Shares issued for acquisition of patents, see Note 3		160,600
Balance as of December 31, 2012		81,889,226
Exercise of warrants		94,147
Exercise of stock options and RSUs		533,562
Balance as of March 31, 2013		82,516,935

Stock Options and Restricted Stock Units Activity

The following table summarizes information about stock option and RSU activity for the three month period ended March 31, 2013:

	RSUs					Options
	No. of RSUs			Weighted average grant date fair value		No. of options			Weighted average exercise price		Exercise price range		Weighted average grant date fair value
Outstanding at January 1, 2013		3,125,000		$	3.72		9,149,105		$	3.33		$0.01 – $5.50	$	2.57
Granted		669,250		$	3.18		2,743,333		$	3.19		$3.18 – $3.24	$	2.43
Exercised		(449,749	)	$	3.70		(83,813	)	$	0.14		$0.01 – $1.50	$	3.60
Forfeited		(8,126	)	$	3.72		(95,312	)	$	3.62		$0.01 – $5.50	$	2.35
Outstanding at March 31, 2013		3,336,375		$	3.61		11,713,313		$	3.31		$0.01 – $5.50	$	2.53
Exercisable at March 31, 2013		—			—		5,010,156		$	3.11		$0.01 – $5.50

Stockholders' Equity Note, Warrants or Rights

The following table summarizes information about warrant activity for the three month period ended March 31, 2013:

	No. of warrants			Weighted average exercise price		Exercise price range
Outstanding at January 1, 2013		18,863,261		$	3.11		$0.94 – $5.06
Granted		—			—		—
Exercised		(94,147	)	$	1.76		$1.76
Outstanding at March 31, 2013		18,769,114		$	3.12		$0.94 – $5.06

Stock Options [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule Of Common Stock Granted

The following table illustrates the common stock options granted for the three month period ended March 31, 2013:

Title	Grant date	No. of options		Exercise price		Share price at grant date		Vesting terms	Assumptions used in Black-Scholes option pricing model
Management, Directors and Employees *	January-March 2013		2,630,833		$3.18-$3.24		$3.18-$3.24	Over 1-3 years	Volatility	63.65%-64.26%
									Risk free interest rate	1.07%-2.06%
									Expected term, in years	5.71-10.00
									Dividend yield	0.00%
Consultants *	January-March 2013		112,500		$2.90-$3.30		$2.90-$3.30	Over 0-2.5 years	Volatility	63.87%-68.96%
									Risk free interest rate	1.86%-2.16%
									Remaining expected term, in years	9.75-10
									Dividend yield	0.00%

Restricted Stock Units (Rsus [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Components of Common Stock Outstanding

The following table illustrates the RSUs granted for the three month period ended March 31, 2013:

Title	Grant date	No. of RSUs		Exercise price		Share price at grant date		Vesting terms
Management, directors and employees *	February 2013		636,250		—	$	3.18	Over 1-3 years
Consultants	January 2013		33,000		—	$	3.26	Over 9 months

- Definition

Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.

+ References + Details

Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2013

Commitments and Contingencies [Abstract]

Future Minimum Lease Payments Under Non Cancelable Operating Leases

Future minimum lease payments under non-cancelable operating leases for office space and cars, as of March 31, 2013, are as follows:

Period ending March 31,	Amount
2013 (nine months ending December 31, 2013)		177
2014		178
2015		104
		459

General (Additional Information) (Details) $ in Thousands	3 Months Ended
General (Additional Information) (Details) $ in Thousands	Mar. 31, 2013 USD ($)
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Percentage Of Interest Owned Reverse Acquisition Transaction	67.61%
Israel [Member]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Net asset	$ 448
Germany [Member]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Net asset	$ 31

Significant Accounting and Reporting Policies (Average Exchange Rate) (Details)	3 Months Ended		8 Months Ended
	Mar. 31, 2013 € / shares	Mar. 31, 2013 € / shares ₪ / shares	Mar. 31, 2013 € / shares	Mar. 31, 2013 € / shares ₪ / shares	Mar. 31, 2013 ₪ / shares	Dec. 31, 2012 € / shares	Dec. 31, 2012 ₪ / shares
Foreign Currency Exchange Rate \| (per share)	€ 0.782	€ 0.782	€ 0.782	€ 0.782	₪ 3.648	€ 0.759	₪ 3.733
Average Foreign Currency Exchange Rate \| (per share)	€ 0.757	€ 3.708	€ 0.775	€ 3.846

Significant Accounting and Reporting Policies (Computation of Basic and Diluted Net Losses Per Common Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		7 Months Ended	12 Months Ended	22 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Mar. 31, 2013
Numerator:
Net loss attributable to shares of common stock (basic)	$ (11,964)	$ (1,871)	$ (2,754)	$ (20,841)	$ (35,559)
Diluted net loss attributable to shares of common stock:	$ (11,964)	$ (1,871)			$ (39,921)
Denominator:
Weighted average number of shares of common stock outstanding during the period	82,185,649	4,365,117			35,835,214
Weighted average number of penny stock options	203,704				113,220
Basic common stock share outstanding	82,389,353	4,365,117			35,948,434
Basic net loss per common stock share	$ (0.15)	$ (0.43)			$ (0.99)
Diluted Numerator
Net loss attributable to shares of common stock	$ (11,964)	$ (1,871)	(2,754)	(20,841)	$ (35,559)
Increase in net loss attributable to Series 1 warrants Diluted					(4,060)
Increase in net loss attributable to Preferential Reload warrants Diluted					(135)
Increase in net loss attributable to Conversion warrants Diluted					(68)
Increase in net loss attributable to Special Bridge warrants Diluted					(99)
Diluted net loss attributable to shares of common stock:	$ (11,964)	$ (1,871)			$ (39,921)
Diluted Denominator
Weighted average number of shares of common stock outstanding during the period	82,185,649	4,365,117			35,835,214
Weighted average number of Series 1 warrants outstanding during the period					2,061,332
Weighted average number of Preferential Reload warrants outstanding during the period					63,203
Weighted average number of Conversion warrants outstanding during the period					39,921
Weighted average number of Special Bridge warrants outstanding during the period					58,394
Weighted average number of penny stock options	203,704				113,220
Diluted common stock shares outstanding	82,389,353	4,365,117			38,171,284
Diluted net loss per common stock share	$ (0.15)	$ (0.43)			$ (1.05)
Net loss per share data presented, excludes from the calculation of diluted net loss the following potentially dilutive securities, as they had an anti-dilutive impact:
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	33,778,695	1,380,800			28,130,042
Vested and Unvested Stock Option [Member]
Net loss per share data presented, excludes from the calculation of diluted net loss the following potentially dilutive securities, as they had an anti-dilutive impact:
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	11,583,888	0			11,583,888
Unvested Stock Option [Member]
Net loss per share data presented, excludes from the calculation of diluted net loss the following potentially dilutive securities, as they had an anti-dilutive impact:
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	12,125	0			12,125
Unvested Restricted Stock Units [Member]
Net loss per share data presented, excludes from the calculation of diluted net loss the following potentially dilutive securities, as they had an anti-dilutive impact:
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	3,336,375	0			3,336,375
Common Stock [Member]
Numerator:
Net loss attributable to shares of common stock (basic)	$ 0		0	0
Diluted Numerator
Net loss attributable to shares of common stock	$ 0		$ 0	$ 0
Net loss per share data presented, excludes from the calculation of diluted net loss the following potentially dilutive securities, as they had an anti-dilutive impact:
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	77,193	1,130,800			77,193
Warrant [Member]
Net loss per share data presented, excludes from the calculation of diluted net loss the following potentially dilutive securities, as they had an anti-dilutive impact:
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	18,769,114	250,000			13,120,461

Significant Accounting and Reporting Policies (Additional Information) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		22 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Dec. 31, 2012
Significant Accounting Policies [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	33,778,695	1,380,800	28,130,042
Commercial paper classified as cash and cash equivalents	$ 740		$ 740	$ 0
Short-term investments	$ 3,120		$ 3,120	0
Vested and Unvested Stock Option [Member]
Significant Accounting Policies [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	11,583,888	0	11,583,888
Maximum [Member] \| Vested and Unvested Stock Option [Member]
Significant Accounting Policies [Line Items]
Stock Option Exercise Price	$ 5.50
Minimum [Member] \| Vested and Unvested Stock Option [Member]
Significant Accounting Policies [Line Items]
Stock Option Exercise Price	$ 0.96
Corporate Paper [Member]
Significant Accounting Policies [Line Items]
Short-term investments	$ 3,120		$ 3,120	$ 0

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Antidilution
-URI http://asc.fasb.org/extlink&oid=6505113

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Diluted Earnings Per Share
-URI http://asc.fasb.org/extlink&oid=6510752

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Contingent Stock Agreement
-URI http://asc.fasb.org/extlink&oid=6508534

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 40
-Subparagraph c
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 13, 14
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 07-4
-Paragraph 4
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 171
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

- Definition

This item represents investments in debt securities which are categorized as held-to-maturity and that have scheduled maturities within one year of the balance sheet date or the normal operating cycle, whichever is longer; such investments are measured at amortized cost (carrying value). The held-to-maturity category is for those securities that the Entity has the positive intent and ability to hold until maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26626-111562

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=7534914&loc=d3e22054-111558

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 19
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 11
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 17
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 7
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 43
-Section A
-Paragraph 4
-Chapter 3
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 43
-Section A
-Paragraph 5
-Chapter 3
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 9
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 8
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 10
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Intangible Assets (Schedule of Finite-Lived Intangible Assets) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Oct. 31, 2012	Aug. 31, 2012	Jun. 30, 2011
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Asset, Amount				$ 22,000
Total	$ 36,827	$ 36,827
Less: accumulated amortization	(4,038)	(2,783)
Finite-Lived Intangible Assets, Net	$ 32,789	34,044
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Life (Years)	8 years 6 months
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Life (Years)	6 years
Acquired Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Asset, Amount	$ 10,133	10,133
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Asset, Amount	$ 26,694	$ 26,694	$ 750		$ 3,200

Intangible Assets (Schedule of Finite-Lived Intangible Assets, Future Amortization Expense) (Details) - USD ($) $ in Thousands	Mar. 31, 2013	Dec. 31, 2012
Goodwill and Intangible Assets Disclosure [Line Items]
2013 (nine months ending December 31, 2013)	$ 3,746
2014	5,002
2015	5,002
2016	4,610
2017 and thereafter	14,429
Finite-Lived Intangible Assets, Net	$ 32,789	$ 34,044

Intangible Assets (Additional Information) (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended		22 Months Ended
	Oct. 31, 2012	Aug. 31, 2012	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Dec. 31, 2012	Jun. 30, 2011
Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Asset, Amount		$ 22,000
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets			$ 1,255	$ 155	$ 4,038
Acquired Finite-lived Intangible Asset, Amount	$ 750		$ 26,694		$ 26,694	$ 26,694	$ 3,200
Royalty Payable On Excess Of Acquistion Cost	20.00%	35.00%
Capitalise Cost Related To Acquisition Of Patents		$ 548					$ 196
Stock Issued During Period, Shares, Acquisitions	160,600

- Definition

Number of shares of stock issued during the period pursuant to acquisitions.

+ References + Details

Fair Value Measurements (Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) - USD ($) $ in Thousands	Mar. 31, 2013	Dec. 31, 2012
Liabilities
Derivative liabilities on account of warrants	$ 7,919	$ 7,612
Total liabilities	7,919	7,612
Fair Value, Inputs, Level 3
Liabilities
Derivative liabilities on account of warrants	7,919	7,612
Total liabilities	7,919	7,612
Fair Value, Inputs, Level 1
Liabilities
Derivative liabilities on account of warrants	0	0
Total liabilities	0	0
Fair Value, Inputs, Level 2
Liabilities
Derivative liabilities on account of warrants	0	0
Total liabilities	$ 0	$ 0

Fair Value Measurements (Changes in Liabilities Measured at Fair Value Using Significant Unobservable Inputs) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Balance	$ 7,612	$ 0
Derivative warrants recorded in connection with the Merger, July 19, 2012		21,954
Fair value of derivative warrants issued by Legal Parent (see Note 8)		3,162
Fair value adjustment, prior to exercise of warrants, included in statement of operations	(22)	156
Exercise of derivative warrants	(69)	(10,657)
Fair value adjustment at end of period, included in statement of operations	398	(7,003)
Balance	$ 7,919	$ 7,612

Fair Value Measurements (Based Upon Sensitivity and Nature of Inputs) (Details)	3 Months Ended
	Mar. 31, 2013
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Dividend yield	0.00%
Probability of down-round triggering event	15.00%
Timing of down-round triggering event	December 2013
Minimum [Member]
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Volatility	56.48%
Risk free interest rate	0.25%
Expected term, in years	1 year 9 months
Maximum [Member]
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Volatility	58.10%
Risk free interest rate	0.60%
Expected term, in years	4 years 3 months 18 days

Business Combination (Components of Recognized Identified Assets Acquired and Liabilities Assumed) (Details) $ in Thousands	Mar. 31, 2013 USD ($)
Business Combination [Line Items]
Current assets, net of current liabilities	$ 2,586
Long-term deposit	8
Property and equipment	124
Technology	10,133
Goodwill	65,965
Total assets acquired, net	78,816
Fair value of outstanding warrants granted by Legal Parent prior to the Merger, classified as a long-term derivative liability	(3,162)
Total liabilities assumed, net	(3,162)
Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net	75,654
Measurement of consideration:
Fair value of vested stock options granted to employees, management and consultants, classified as equity	7,364
Fair value of outstanding warrants granted by the Legal Parent prior to the Merger, classified as equity	10,079
Fair value of Vringo shares of common stock and vested $0.01 options granted to employees, management and consultants	58,211
Total estimated purchase price	$ 75,654

Business Combination (Business Acquisition, Pro Forma Information) (Details) - USD ($) $ in Thousands	3 Months Ended	22 Months Ended
	Mar. 31, 2012	Mar. 31, 2013
Business Combination [Line Items]
Business Acquisition, Pro Forma Revenue	$ 106	$ 1,074
Business Acquisition, Pro Forma Net Income (Loss)	$ (7,762)	$ (52,580)

Business Combination (Additional Information) (Details)
$ / shares in Units, $ in Thousands

1 Months Ended

3 Months Ended

12 Months Ended

22 Months Ended

Jul. 31, 2012

$ / shares

Jul. 19, 2012

Mar. 31, 2012

USD ($)

Dec. 31, 2012

USD ($)

$ / shares

$ / Warrant

Mar. 31, 2013

USD ($)

$ / shares

Business Combination [Line Items]

Common stock converted upon completion of merger, shares

295

Common stock, par value | $ / shares

$ 0.01

Conversion of Stock, Shares Issued

^[1]

295,000

Measurement of consideration: | $

$ 75,654

Payments of Stock Issuance Costs | $

$ 463

Fair Value Of Warrant Issued | $

$ 21,954

Merger Agreement [Member]

Business Combination [Line Items]

Common stock converted upon completion of merger, shares

^[1]

6,673

Conversion of Stock, Shares Issued

20,136,445

Series A convertible preferred stock converted upon completion of merger, par value | $ / shares

$ 0.01

Granted following the Merger

41,178

Percentage of ownership of outstanding common stock

55.04%

Ownership Percentage Of Common Shares Outstanding Calculated On Fully Diluted Basis

67.61%

Parent Company [Member]

Business Combination [Line Items]

Percentage of ownership of outstanding common stock

44.96%

Ownership Percentage Of Common Shares Outstanding Calculated On Fully Diluted Basis

32.39%

Patented Technology [Member]

Business Combination [Line Items]

Amortization of Intangible Assets | $

$ 247

$ 1,789

Common Stock [Member]

Business Combination [Line Items]

Conversion of Stock, Shares Issued

18,617,569

Common Stock [Member] | Merger Agreement [Member]

Business Combination [Line Items]

Common stock converted upon completion of merger, shares

6,169,661

Common stock, par value | $ / shares

$ 0.0001

Series Preferred Stock [Member] | Merger Agreement [Member]

Business Combination [Line Items]

Common stock converted upon completion of merger, shares

6,673

Conversion of Stock, Shares Issued

6,673

Warrants Issued

15,959,838

Aggregate of shares of common stock purchased by warrant

15,959,838

Exercise Price | $ / Warrant

1.76

[1]	Share amounts were not retrospectively restated to reflect Vringo's equity instruments after the Merger.

Series A Convertible Preferred Stock (Additional Information) (Details) - USD ($)
$ / shares in Units, $ in Thousands

1 Months Ended

12 Months Ended

Jul. 31, 2012

Jul. 19, 2012

Dec. 31, 2012

Jun. 30, 2011

Series Convertible Preferred Stock [Line Items]

Conversion of Stock, Shares Issued

^[1]

295,000

Preferred Stock, Conversion Basis

convertible, at the option of the holder, into 6,968,000 shares of I/P's common stock at a conversion price of $1 per common share

Common stock converted upon completion of merger, shares

295

Series Preferred Stock [Member]

Series Convertible Preferred Stock [Line Items]

Conversion of Stock, Shares Issued

^[1]

6,968

Prior Merger [Member]

Series Convertible Preferred Stock [Line Items]

Series A convertible preferred stock converted upon completion of merger, par value

$ 0.0001

Preferred Stock, Liquidation Preference Per Share

$ 1,250

Hudson Bay [Member]

Series Convertible Preferred Stock [Line Items]

Mezzanine Preferred Stock Value Outstanding

$ 1,800

After Merger [Member]

Series Convertible Preferred Stock [Line Items]

Preferred stock, authorized

10,000,000

Merger Agreement [Member]

Series Convertible Preferred Stock [Line Items]

Series A convertible preferred stock converted upon completion of merger, par value

$ 0.01

Conversion of Stock, Shares Issued

20,136,445

Common stock converted upon completion of merger, shares

^[1]

6,673

Merger Agreement [Member] | Prior Merger [Member]

Series Convertible Preferred Stock [Line Items]

Conversion of Stock, Shares Issued

20,136,445

[1]	Share amounts were not retrospectively restated to reflect Vringo's equity instruments after the Merger.

Stockholders' Equity (Issued And Outstanding Common Stock From Inception) (Details) - shares

1 Months Ended

3 Months Ended

7 Months Ended

12 Months Ended

Oct. 31, 2012

Mar. 31, 2013

Dec. 31, 2011

Dec. 31, 2012

Balance

81,889,226

16,972,977

Conversion of Series A Preferred Convertible Preferred stock, classified as mezzanine equity

890,192

Grant of shares

8,768,014

265,000

Legal Parent's shares of common stock, recorded upon Merger

15,206,118

Exercise of 250,000 warrants, issued and exercised prior to the Merger

754,400

Post-Merger exercise of warrants

6,832,150

Exercise of stock options and RSUs

533,562

726,346

Conversion of Series A Preferred Convertible Preferred stock, classified as equity

20,136,445

Issuance of shares of common stock

82,516,935

81,889,226

Exercised

94,147

Balance

82,516,935

16,972,977

81,889,226

Common Stock [Member]

Issuance of shares of common stock

8,204,963

Patents [Member]

Stock Issued During Period, Shares, Acquisitions

160,600

Consultant [Member]

Grant of shares to consultants

^[1]

112,500

Private Financing [Member]

Issuance of shares of common stock

9,600,000

Private Financing One [Member]

Issuance of shares of common stock

10,344,998

[1]	* Certain options granted to officers, directors and certain key employees are subject to acceleration of vesting of 75% - 100% (according to the agreement signed with each optionee), upon a subsequent change of control.

Stockholders' Equity (Issued And Outstanding Common Stock From Inception) (Parenthetical) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2012 USD ($) shares
Class Of Warrant Or Right Exercise \| shares	250,000
Stock issuance cost	$ 463
Private Financing [Member]
Issuance of shares	31,148
Stock issuance cost	52
Private Financing One [Member]
Issuance of shares	44,962
Stock issuance cost	$ 39

Stockholders' Equity (Schedule Of Common Stock Option Granted) (Details)

3 Months Ended

Mar. 31, 2013

$ / shares

^[1]

Management Directors and Employees [Member]

Stockholders Equity [Line Items]

Grant Date

January-March2013

No. of Options | shares

2,630,833

Vesting Terms

Over 1-3 years

Volatility Rate, Minimum

63.65%

Volatility Rate, Maximum

64.26%

Risk free interest rate, Minimum

1.07%

Risk free interest rate, Maximum

2.06%

Dividend yield

0.00%

Management Directors and Employees [Member] | Maximum [Member]

Stockholders Equity [Line Items]

Exercise Price

$ 3.24

Share Price at Grant Date

$ 3.24

Remaining term, in years

10 years

Management Directors and Employees [Member] | Minimum [Member]

Stockholders Equity [Line Items]

Exercise Price

$ 3.18

Share Price at Grant Date

$ 3.18

Remaining term, in years

5 years 8 months 16 days

Consultant [Member]

Stockholders Equity [Line Items]

Grant Date

January-March2013

No. of Options | shares

112,500

Vesting Terms

Over 0-2.5 years

Volatility Rate, Minimum

63.87%

Volatility Rate, Maximum

68.96%

Risk free interest rate, Minimum

1.86%

Risk free interest rate, Maximum

2.16%

Dividend yield

0.00%

Consultant [Member] | Maximum [Member]

Stockholders Equity [Line Items]

Exercise Price

$ 3.30

Share Price at Grant Date

$ 3.30

Remaining term, in years

10 years

Consultant [Member] | Minimum [Member]

Stockholders Equity [Line Items]

Exercise Price

$ 2.90

Share Price at Grant Date

$ 2.90

Remaining term, in years

9 years 9 months

[1]	* Certain options granted to officers, directors and certain key employees are subject to acceleration of vesting of 75% - 100% (according to the agreement signed with each optionee), upon a subsequent change of control.

Stockholders' Equity (RSUs granted) (Details)

3 Months Ended

Mar. 31, 2013

$ / shares

Management Directors and Employees [Member]

Stockholders Equity [Line Items]

Grant Date

January-March2013

^[1]

Vesting Terms

Over 1-3 years

^[1]

Consultant [Member]

Stockholders Equity [Line Items]

Grant Date

January-March2013

^[1]

Vesting Terms

Over 0-2.5 years

^[1]

Restricted Stock Units (Rsus [Member] | Management Directors and Employees [Member]

Stockholders Equity [Line Items]

Grant Date

February 2013

^[1]

No. of RSUs | shares

636,250

^[1]

Exercise Price

$ 0

^[1]

Share Price at Grant Date

$ 3.18

^[1]

Vesting Terms

Over 1-3 years

^[1]

Restricted Stock Units (Rsus [Member] | Consultant [Member]

Stockholders Equity [Line Items]

Grant Date

January 2013

No. of RSUs | shares

33,000

Exercise Price

$ 0

Share Price at Grant Date

$ 3.26

Vesting Terms

Over 9 months

[1]	* Certain options granted to officers, directors and certain key employees are subject to acceleration of vesting of 75% - 100% (according to the agreement signed with each optionee), upon a subsequent change of control.

Stockholders' Equity (Option Activity) (Details) - $ / shares	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding at January 1, 2013	9,149,105	41,178
Grants after the Merger	2,743,333
Exercised	(83,813)
Forfeited	(95,312)
Outstanding at March 31, 2013	11,713,313	9,149,105
Exercisable at March 31, 2013	5,010,156
Weighted average grant date fair value Outstanding at January 1, 2013	$ 2.57
Grants after the Merger	2.43
Weighted average grant date fair value Exercised	3.60
Weighted average grant date fair value Forfeited	2.35
Weighted average grant date fair value Outstanding at March 31, 2013	$ 2.53	$ 2.57
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding at January 1, 2013	3,125,000	0
Assumed at the Merger		0
Grants after the Merger	669,250
Exercised	(449,749)
Forfeited	(8,126)	0
Outstanding at March 31, 2013	3,336,375	3,125,000
Exercisable at March 31, 2013	0
Outstanding at January 1, 2013	$ 3.72	$ 0
Grants after the Merger	3.18
Exercised	3.70
Forfeited	3.72
Outstanding at March 31, 2013	3.61	3.72
Exercisable at March 31, 2013	0
Weighted average grant date fair value Outstanding at January 1, 2013	3.72	0
Weighted average grant date fair value Outstanding at March 31, 2013		3.72
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding at January 1, 2013	0.01
Outstanding at March 31, 2013		0.01
Weighted average grant date fair value Outstanding at January 1, 2013	0.01
Weighted average grant date fair value Outstanding at March 31, 2013		0.01
Exercise price range, Outstanding at January 1, 2013	0.01
Exercise price range, Grants after the Merger	3.18
Exercise price range, Exercised	0.01
Exercise price range, Forfeited	0.01
Exercise price range, Outstanding at March 31, 2013	$ 0.01	0.01
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable In Period Exercise Price Range	0.01
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding at January 1, 2013	$ 5.50
Outstanding at March 31, 2013		5.50
Weighted average grant date fair value Outstanding at January 1, 2013	5.50
Weighted average grant date fair value Outstanding at March 31, 2013		5.50
Exercise price range, Outstanding at January 1, 2013	5.50
Exercise price range, Grants after the Merger	3.24
Exercise price range, Exercised	1.50
Exercise price range, Forfeited	5.50
Exercise price range, Outstanding at March 31, 2013	$ 5.50	5.50
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable In Period Exercise Price Range	5.50
Weighted Average [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding at January 1, 2013	$ 3.33
Grants after the Merger	3.19
Exercised	0.14
Forfeited	3.62
Outstanding at March 31, 2013	3.31	3.33
Exercisable at March 31, 2013	3.11
Weighted average grant date fair value Outstanding at January 1, 2013	$ 3.33
Weighted average grant date fair value Outstanding at March 31, 2013		$ 3.33

Stockholders' Equity (Warrant Activity) (Details)	3 Months Ended
Stockholders' Equity (Warrant Activity) (Details)	Mar. 31, 2013 $ / Warrant shares
No. of warrants
Outstanding at January 1, 2013 \| shares	18,863,261
Exercised \| shares	94,147
Outstanding at March 31, 2013 \| shares	18,769,114
Exercise price range
Exercised	1.76
Minimum [Member]
Exercise price range
Outstanding at January 1, 2013	0.94
Outstanding at March 31, 2013	0.94
Maximum [Member]
Exercise price range
Outstanding at January 1, 2013	5.06
Outstanding at March 31, 2013	5.06
Weighted Average [Member]
Exercise price range
Outstanding at January 1, 2013	3.11
Exercised	1.76
Outstanding at March 31, 2013	3.12

Stockholders' Equity (Additional Information) (Detail)
$ / shares in Units, $ in Thousands

1 Months Ended

3 Months Ended

8 Months Ended

12 Months Ended

22 Months Ended

Oct. 12, 2012

$ / Warrant

Oct. 12, 2012

$ / Warrant

Oct. 31, 2012

$ / shares

Jul. 26, 2012

$ / Warrant

Jul. 19, 2012

$ / Warrant

Mar. 31, 2013

USD ($)

$ / shares

$ / Warrant

Mar. 31, 2012

USD ($)

Mar. 31, 2013

$ / shares

$ / Warrant

Dec. 31, 2012

USD ($)

$ / shares

$ / Warrant

Mar. 31, 2013

USD ($)

$ / shares

$ / Warrant

Dec. 31, 2011

Jun. 08, 2011

Jun. 07, 2011

Stockholders Equity [Line Items]

Forfeited

(95,312)

Common stock, outstanding

82,516,935

81,889,226

82,516,935

16,972,977

Waarrants Issued

754,400

Common stock, par value | $ / shares

$ 0.01

Capitalization, Long-term Debt and Equity | $

$ 250,000

Expected Term Of Warrants

2 years 7 months 28 days

Exercise Of Stock Options and Rsus

533,562

726,346

Warrant outstanding

18,769,114

18,863,261

18,769,114

Issuance of warrants | $

$ 0

$ (2,883)

Dividend yield

0.00%

Ipo [Member]

Stockholders Equity [Line Items]

Waarrants Issued

4,784,000

Exercise Price | $ / Warrant

5.06

Warrant [Member]

Stockholders Equity [Line Items]

Common stock, outstanding

8,299,116

Exercise Price | $ / Warrant

1.76

Expected Term Of Warrants

5 years

Warrants volatility rate

68.10%

Risk free interest rate

0.724%

Dividend yield

0.00%

Warrant [Member] | Innovate Protect Inc [Member]

Stockholders Equity [Line Items]

Waarrants Issued

3,000,000

Exercise Price | $ / Warrant

5.06

Series One Warrants [Member]

Stockholders Equity [Line Items]

Waarrants Issued

48,957

4,704,056

Expected Term Of Warrants

5 years

Series Two Warrants [Member]

Stockholders Equity [Line Items]

Common stock, outstanding

7,660,722

Waarrants Issued

45,190

1,326,060

Exercise Price | $ / Warrant

1.76

Expected Term Of Warrants

5 years

Special Bridge Warrants [Member]

Stockholders Equity [Line Items]

Waarrants Issued

148,390

Exercise Price | $ / Warrant

0.94

Expected Term Of Warrants

2 years 5 months 8 days

Conversion Warrants [Member]

Stockholders Equity [Line Items]

Waarrants Issued

101,445

Exercise Price | $ / Warrant

0.94

Expected Term Of Warrants

2 years 5 months 8 days

Preferential Reload Warrants [Member]

Stockholders Equity [Line Items]

Waarrants Issued

887,330

726,721

Exercise Price | $ / Warrant

1.76

Expected Term Of Warrants

4 years 6 months 18 days

Non Preferential Reload Warrants [Member]

Stockholders Equity [Line Items]

Waarrants Issued

814,408

169,520

Exercise Price | $ / Warrant

1.76

Expected Term Of Warrants

4 years 6 months 18 days

Inducement Warrants [Member]

Stockholders Equity [Line Items]

Waarrants Issued

3,721,062

Exercise Price | $ / Warrant

1.76

Restricted Stock Units (Rsus [Member]

Stockholders Equity [Line Items]

Expected Term Of Warrants

4 years

Maximum [Member]

Stockholders Equity [Line Items]

Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period

3 years

Percentage of stock option acceleration

100.00%

Exercise Price | $ / Warrant

5.06

Expected Term Of Warrants

12 months

Risk free interest rate

0.60%

Maximum [Member] | Warrant [Member]

Stockholders Equity [Line Items]

Share Price | $ / shares

$ 3.77

Minimum [Member]

Stockholders Equity [Line Items]

Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period

1 year

Percentage of stock option acceleration

75.00%

Exercise Price | $ / Warrant

0.94

Risk free interest rate

0.25%

Minimum [Member] | Warrant [Member]

Stockholders Equity [Line Items]

Share Price | $ / shares

$ 3.50

Directors and Employees [Member]

Stockholders Equity [Line Items]

Exercise Price | $ / Warrant

3.72

Consultant [Member] | Maximum [Member]

Stockholders Equity [Line Items]

Granted | $ / shares

^[1]

$ 3.30

Consultant [Member] | Minimum [Member]

Stockholders Equity [Line Items]

Granted | $ / shares

^[1]

$ 2.90

Two Thousand Twelve Stock Option Plan [Member]

Stockholders Equity [Line Items]

Common stock, outstanding

3,722,750

Issuance of stock

6,500,000

Common Stock, Shares Subscribed but Unissued

9,100,000

Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized

15,600,000

Shares of common stock available for future grants

3,200,000

[1]	* Certain options granted to officers, directors and certain key employees are subject to acceleration of vesting of 75% - 100% (according to the agreement signed with each optionee), upon a subsequent change of control.

Commitments and Contingencies (Future Minimum Lease Payments) (Details) $ in Thousands	Mar. 31, 2013 USD ($)
2013 (nine months ending December 31, 2013)	$ 177
2014	178
2015	104
Future Minimum Payments	$ 459

Commitments And Contingencies (Additional Information) (Details) - USD ($)		1 Months Ended	3 Months Ended		8 Months Ended	12 Months Ended	22 Months Ended
	Nov. 06, 2012	Jul. 31, 2012	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013
Rental expense for operating leases			$ 53,000	$ 8,000			$ 227,000
Term Of Lease Agreement		Four years
Operating Lease Rent Expense Annual Fee		$ 137,000
Estimated Litigation Liability						$ 2,900,000
Running Royalty Rate	3.50%
Maximum [Member]
Percentage Of Scaled Fees					20.00%
Minimum [Member]
Percentage Of Scaled Fees					15.00%
Google [Member]
Proceeds From Litigation Settlement Claims						15,800,000
Aol [Member]
Proceeds From Litigation Settlement Claims						7,943,000
Iac [Member]
Proceeds From Litigation Settlement Claims						6,650,000
Gannett [Member]
Proceeds From Litigation Settlement Claims						4,000
Target [Member]
Proceeds From Litigation Settlement Claims						$ 99,000
Subsidiaries [Member]
Operating Lease Rent Expense Annual Fee		$ 72,000
Texas [Member] \| Subsequent Event [Member] \| Lease Agreements [Member]
Term Of Lease Agreement			thirty six months
Lease Commitment Gross			$ 61		$ 61		$ 61

Label	Element	Value
Fair Value, Measurement With Unobservable Inputs Reconciliations, Recurring Basis, Liability Value	us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	$ 0
Preferred Stock [Member]
Stockholders Equity	us-gaap_StockholdersEquity	0
Additional Paid In Capital [Member]
Stockholders Equity	us-gaap_StockholdersEquity	0
Accumulated Deficit During Development Stage [Member]
Stockholders Equity	us-gaap_StockholdersEquity	0
Common Stock [Member]
Stockholders Equity	us-gaap_StockholdersEquity	$ 0