1001 - Document - Document And Entity Information link:presentationLink link:definitionLink link:calculationLink 1002 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:definitionLink link:calculationLink 1003 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:definitionLink link:calculationLink 1004 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS link:presentationLink link:definitionLink link:calculationLink 1005 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY link:presentationLink link:definitionLink link:calculationLink 1006 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:definitionLink link:calculationLink 1007 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) link:presentationLink link:definitionLink link:calculationLink 1008 - Disclosure - General link:presentationLink link:definitionLink link:calculationLink 1009 - Disclosure - Accounting and Reporting Policies link:presentationLink link:definitionLink link:calculationLink 1010 - Disclosure - Net Loss per Share of Common Stock link:presentationLink link:definitionLink link:calculationLink 1011 - Disclosure - Goodwill link:presentationLink link:definitionLink link:calculationLink 1012 - Disclosure - Other Assets link:presentationLink link:definitionLink link:calculationLink 1013 - Disclosure - Segment Information link:presentationLink link:definitionLink link:calculationLink 1014 - Disclosure - Fair Value Measurements link:presentationLink link:definitionLink link:calculationLink 1015 - Disclosure - Stock-Based Compensation link:presentationLink link:definitionLink link:calculationLink 1016 - Disclosure - Debt and Convertible Notes link:presentationLink link:definitionLink link:calculationLink 1017 - Disclosure - Related Party Transactions link:presentationLink link:definitionLink link:calculationLink 1018 - Disclosure - Discontinued Operations and Assets and Liabilities Held for Disposal link:presentationLink link:definitionLink link:calculationLink 1019 - Disclosure - Income Taxes link:presentationLink link:definitionLink link:calculationLink 1020 - Disclosure - Commitments and Contingencies link:presentationLink link:definitionLink link:calculationLink 1021 - Disclosure - Subsequent Events link:presentationLink link:definitionLink link:calculationLink 1022 - Disclosure - Accounting and Reporting Policies (Policies) link:presentationLink link:definitionLink link:calculationLink 1023 - Disclosure - Net Loss per Share of Common Stock (Tables) link:presentationLink link:definitionLink link:calculationLink 1024 - Disclosure - Other Assets (Tables) link:presentationLink link:definitionLink link:calculationLink 1025 - Disclosure - Segment Information (Tables) link:presentationLink link:definitionLink link:calculationLink 1026 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:definitionLink link:calculationLink 1027 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:definitionLink link:calculationLink 1028 - Disclosure - Debt and Convertible Notes (Tables) link:presentationLink link:definitionLink link:calculationLink 1029 - Disclosure - Discontinued Operations and Assets and Liabilities Held for Disposal (Tables) link:presentationLink link:definitionLink link:calculationLink 1030 - Disclosure - General (Additional Information) (Details) link:presentationLink link:definitionLink link:calculationLink 1031 - Disclosure - Accounting and Reporting Policies (Additional Information) (Details) link:presentationLink link:definitionLink link:calculationLink 1032 - Disclosure - Net Loss per Share of Common Stock (Computation of basic and diluted net losses per common share) (Details) link:presentationLink link:definitionLink link:calculationLink 1033 - Disclosure - Goodwill (Additional Information) (Details) link:presentationLink link:definitionLink link:calculationLink 1034 - Disclosure - Other Assets (Additional Information) (Details) link:presentationLink link:definitionLink link:calculationLink 1035 - Disclosure - Other Assets (Details) link:presentationLink link:definitionLink link:calculationLink 1036 - Disclosure - Segment Information (Geographical Revenue, Segment Operating Loss and Total Asset Information) (Details) link:presentationLink link:definitionLink link:calculationLink 1037 - Disclosure - Fair Value Measurements (Additional Information) (Details) link:presentationLink link:definitionLink link:calculationLink 1038 - Disclosure - Fair Value Measurements (Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) link:presentationLink link:definitionLink link:calculationLink 1039 - Disclosure - Fair Value Measurements (Changes In Company's Liabilities Measured At Fair Value Using Significant Unobservable Inputs) (Details) link:presentationLink link:definitionLink link:calculationLink 1040 - Disclosure - Fair Value Measurements (Based Upon Sensitivity and Nature of Inputs) (Details) link:presentationLink link:definitionLink link:calculationLink 1041 - Disclosure - Fair Value Measurements (Intangible Assets Measured At Fair Value On A Non-Recurring Basis) (Details) link:presentationLink link:definitionLink link:calculationLink 1042 - Disclosure - Fair Value Measurements (changes in the Company's investment) (Details) link:presentationLink link:definitionLink link:calculationLink 1043 - Disclosure - Stock-Based Compensation (Additional Information) (Details) link:presentationLink link:definitionLink link:calculationLink 1044 - Disclosure - Stock-Based Compensation (Schedule Of Common Stock Options Granted) (Details) link:presentationLink link:definitionLink link:calculationLink 1045 - Disclosure - Stock-Based Compensation (Stock options and RSU activity) (Details) link:presentationLink link:definitionLink link:calculationLink 1046 - Disclosure - Debt and Convertible Notes (Additional Information) (Details) link:presentationLink link:definitionLink link:calculationLink 1047 - Disclosure - Debt and Convertible Notes (Fair Value Of Convertible Note) (Details) link:presentationLink link:definitionLink link:calculationLink 1048 - Disclosure - Debt and Convertible Notes (Details) link:presentationLink link:definitionLink link:calculationLink 1049 - Disclosure - Related Party Transactions (Additional Information) (Details) link:presentationLink link:definitionLink link:calculationLink 1050 - Disclosure - Discontinued Operations and Assets and Liabilities Held for Disposal (Additional Information) (Details) link:presentationLink link:definitionLink link:calculationLink 1051 - Disclosure - Discontinued Operations and Assets and Liabilities Held for Disposal (Schedule Of Discontinued Operations, As Presented In Consolidated Statements Of Operations) (Details) link:presentationLink link:definitionLink link:calculationLink 1052 - Disclosure - Discontinued Operations and Assets and Liabilities Held for Disposal (Carrying Amounts Of the Major Classes Of Assets and Liabilities) (Details) link:presentationLink link:definitionLink link:calculationLink 1053 - Disclosure - Income Taxes (Additional Information) (Details) link:presentationLink link:definitionLink link:calculationLink 1054 - Disclosure - Commitments and Contingencies (Additional Information) (Details) link:presentationLink link:definitionLink link:calculationLink 1055 - Disclosure - Subsequent Events (Additional Information) (Details) link:presentationLink link:definitionLink link:calculationLink