Document and Entity Information Document Type Amendment Flag Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Public Float Title of 12(b) Security Trading Symbol Security Exchange Name Entity Common Stock, Shares Outstanding Entity Shell Company Entity Emerging Growth Company Entity Small Business CONSOLIDATED BALANCE SHEETS Statement [Table] Class of Stock [Axis] Class Of Stock [Domain] Class of Stock [Domain] Series A Convertible Preferred stock Seriesa Convertible Preferred Stock [Member] Series A Convertible Preferred Stock [Member] Series C Junior Preferred Stock [Member] Series C Junior Preferred Stock [Member] Series D Convertible Preferred Stock [Member] Series D Convertible Preferred Stock [Member] Series E Convertible Preferred Stock [Member] Series E Convertible Preferred Stock [Member] Statement [Line Items] Fair Value Inputs, Liabilities, Quantitative Information [Line Items] Cash paid for amounts included in the measurement of lease liabilities: Assets, Current [Abstract] Current assets Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Inventory, Net Inventory Other Assets, Current Total other current assets Other current assets Assets, Current Total current assets Total current assets Restricted Cash and Cash Equivalents, Noncurrent Restricted cash Property, Plant and Equipment, Net Property and equipment, net Property and equipment, Net Intangible Assets, Net (Excluding Goodwill) Intangible assets, net Operating Lease, Right-of-Use Asset Operating lease right of use assets, net Other Assets, Noncurrent Other assets Other assets Assets Total assets Total assets Liabilities, Current [Abstract] Current liabilities The amount of accounts payable, accrued liabilities and other current. Accounts Payable, Accrued Liabilities and Other Current Total accounts payable, accrued expenses and other current liabilities Accounts payable, accrued expenses and other Operating Lease, Liability, Current Current portion of operating lease liabilities Unsecured Debt, Current Current portion of promissory note, unsecured Liabilities, Current Total current liabilities Total current liabilities Liabilities, Noncurrent [Abstract] Long-term liabilities Unsecured Long-term Debt, Noncurrent Promissory note, unsecured Senior Notes, Noncurrent Convertible senior secured note, net Convertible Notes Payable, Noncurrent Convertible notes, net Derivative warrant liabilities Derivative liabilities Operating Lease Liabilities Noncurrent Operating lease liabilities Other Liabilities, Noncurrent Other liabilities Liabilities Total liabilities Commitments and Contingencies. Commitments and contingencies (see Note 11) Stockholders' Equity Attributable to Parent [Abstract] Stockholders’ equity (deficit) Preferred Stock, Value, Issued Preferred stock Common Stock, Value, Issued Common Stock, $0.01 par value per share 150,000,000 shares authorized; 94,058,853 and 5,157,390 shares issued and outstanding as of December 31, 2020 and December 31, 2019, respectively * Additional Paid in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Stockholders' Equity Attributable to Parent Total stockholders’ equity (deficit) attributable to XpresSpa Group, Inc. Stockholders' Equity Attributable to Noncontrolling Interest Noncontrolling interests Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Balance Balance Total stockholders’ equity (deficit) Liabilities and Equity Total liabilities and stockholders’ equity (deficit) Preferred Stock, Par or Stated Value Per Share Preferred stock, par value Preferred Stock, Shares Authorized Preferred stock, authorized Preferred Stock, Shares Issued Preferred stock, issued Preferred Stock, Shares Outstanding Preferred Stock, Shares Outstanding, Ending Balance Preferred Stock, Shares Outstanding, Beginning Balance Preferred stock, outstanding Common Stock, Par or Stated Value Per Share Common stock, par value Common stock, par value Common Stock, Shares Authorized Common stock, authorized Common Stock, Shares, Issued Common stock, issued Common Stock, Shares, Outstanding Common Stock, Shares, Outstanding, Ending Balance Common Stock, Shares, Outstanding, Beginning Balance Common stock, outstanding Preferred Stock, Liquidation Preference, Value Preferred stock, liquidation preference value Stockholders' Equity Note, Stock Split, Conversion Ratio Reverse stock split, conversion ratio CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS Revenue, net Revenues [Abstract] Revenue Revenue from Contract with Customer, Excluding Assessed Tax Total revenue, net Costs and Expenses [Abstract] Cost of sales Cost of sales Cost, Direct Labor Labor Cost related to occupancy. Cost of occupancy Occupancy The amount of expenses incurred relating to product and other operating cost. Products And Other Operating Costs Products and other operating costs Cost of Revenue Total cost of sales Depreciation, Depletion and Amortization Depreciation and amortization Depreciation and amortization Impairment of Long-Lived Assets Held-for-use Impairment/disposal of assets Impairment of assets Selling, General and Administrative Expense General and administrative Costs and Expenses Total operating expenses Operating Income (Loss) Total operating income (loss) Operating loss Interest Income (Expense), Net Interest expense, net Fair Value Adjustment of Warrants (Loss) gain on revaluation of warrants and conversion options Other Nonoperating Income (Expense) Other non-operating income (expense), net Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Loss from operations before income taxes Loss from operations before income taxes Total Income Tax Expense (Benefit) Income tax (expense) benefit Income tax expense (benefit) Income tax expense Net income (loss) for the period Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Net loss Net loss Net Income (Loss) Attributable to Noncontrolling Interest Net loss (income) attributable to noncontrolling interests Net Income (Loss) Attributable to Parent Net loss attributable to XpresSpa Group, Inc. Other comprehensive income (loss) from continuing operations Other comprehensive gain / (loss) from operations Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive loss Earnings Per Share [Abstract] Loss per share Earnings Per Share, Basic and Diluted Basic and diluted net loss per share Weighted-average number of shares outstanding during the year* Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract] 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: Basic Weighted Average Number of Shares Outstanding, Basic Weighted Average Number of Shares Outstanding, Diluted Diluted CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY (DEFICIT) Stock Issued During Period, Value, Conversion of Convertible Securities Conversion of Stock and Notes into Common Stock Stock Issued During Period, Shares, Conversion of Convertible Securities Conversion of stock and notes into common stock (in shares) Conversion of Stock and Notes into Common Stock (in shares) Number of stock issued during period, for payment interest. Stock Issued During Period Value, Payment Of Interest On Debt Issuance of Stock for payment of interest on Note The number of stock issued during period, for payment of interest. Stock Issued During Period Shares, Payment Of Interest On Debt Issuance of Stock for payment of interest on Note (in shares) Value of stock issued during the period upon the repayment debt and interest. Stock Issued During Period Value For Repayment Debt And Interest Issuance of Common Stock for repayment of debt and interest Number of Stock Issued For Repayment Debt And Interest Stock Issued During Period Shares For Repayment Debt And Interest Issuance of Common Stock for repayment of debt and interest (in shares) Stock Issued During Period, Value, Restricted Stock Award, Gross Issuance of restricted stock Stock Issued During Period, Shares, Restricted Stock Award, Gross Issuance of restricted stock (in shares) Value of cashless exercise of warrants into common stock. Cashless Exercise Of Warrants Into Common Stock, Value Exercise of Warrants into Common Stock Number of shares issued in cashless exercise of warrants. Cashless Exercise Of Warrants Into Common Stock, Shares Exercise of Warrants into Common Stock (in shares) Exercise of Warrants Conversion of Stock, Amount Converted Conversion of senior notes and warrants into common stock Warrant Exchange Conversion of Stock, Shares Converted Number of shares converted The value of stock issued during period, for series E Preferred stock. Stock Issued During Period Value Series E Convertible Preferred Stock Issuance of Series E Convertible Preferred Stock Number of stock issued during period, for series E Preferred stock. Stock Issued During Period Series E Convertible Preferred Stock Stock issued during period series E convertible preferred stock (Shares) Value of shares issued in direct offerings of registered common stock. Direct Offerings Of Registered Common Stock, Value Direct offerings of Common Stock and pre-funded warrants, net of costs Number of shares issued in direct offerings of registered common stock. Direct Offerings Of Registered Common Stock, Shares Direct offerings of Common Stock and pre-funded warrants, net of costs (in shares) Stock Issued During Period, Value, Issued for Services Issuance of Common Stock for services Stock Issued During Period, Shares, Issued for Services Issuance of Common Stock for services (in shares) Stock and Warrants Issued During Period, Value, Preferred Stock and Warrants Exercise and exchange of warrants into Common Stock Issuance of Series F Preferred Stock Shares Issued, Value, Share-based Payment Arrangement, before Forfeiture Stock-based compensation Stock Issued During Period, Value, Stock Options Exercised Stock option exercises Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period No. of options, Exercised/Vested Stock option exercises (in shares) Stock Issued During Period, Shares, Reverse Stock Splits Fractional shares retired in reverse stock split Number of shares reduced Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Foreign currency translation Noncontrolling Interest, Decrease from Deconsolidation Contributions from noncontrolling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Distributions to noncontrolling interests CONSOLIDATED STATEMENTS OF CASH FLOWS Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Fair Value Adjustment Of Warrants And Conversion Options Fair Value Adjustment Of Warrants And Conversion Options Revaluation of warrants and conversion options Revaluation of derivative conversion options and warrants Amount of expense (income) related to adjustment to fair value of contingent consideration. Fair Value Adjustment of Contingent Consideration Revaluation of contingent consideration The aggregate amount of write-downs for impairments recognized during the period for long lived assets (including those held for disposal by means other than sale). Impairment Of Long Lived Assets Impairment/disposal of assets Accretion Expense Accretion of debt discount on notes Accretion expense Finance Lease, Right-of-Use Asset, Amortization Amortization of operating lease right of use asset These line are represents the issuance of shares of common stock for repayment of debt and interest Issuance Of Shares Of Common Stock For Repayment Of Debt And Interest Issuance of shares of Common Stock for payment of interest Fair value of convertible preferred stock issued for non cash. Issuance of Convertible Preferred Stock Issuance of Series F Convertible Preferred Stock These line are represents the issuance of shares of preferred stock for repayment of debt and interest Issuance Of Shares Of Preferred Stock For Repayment Of Debt And Interest Issuance of shares of Series E Preferred Stock for payment of interest Gain (Loss) on Extinguishment of Debt Loss on the extinguishment of debt Loss on the extinguishment of debt Gain on early repayment of debt Induced Conversion of Convertible Debt Expense Debt conversion expense Issuance of Stock and Warrants for Services or Claims Issuance of shares of Common Stock for services Amortization of Debt Issuance Costs Amortization of debt issuance costs Amortization expense Share-based Compensation Stock-based compensation Other than Temporary Impairment Losses, Investments Impairment charge (Gain) impairment of investment These lines are represents about issuance of warrants. Issuance of warrants Issuance of warrants Increase (Decrease) in Operating Capital [Abstract] Changes in assets and liabilities: Increase (Decrease) in Inventories Decrease (increase) in inventory Increase (Decrease) in Other Operating Assets (Increase) decrease in other current assets and other assets Increase Decrease In Lease Liabilities Increase Decrease In Lease Liabilities (Decrease) increase in lease liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities (Decrease) increase in accounts payable, accrued expenses and other Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities Payments to Acquire Property, Plant, and Equipment Acquisition of property and equipment Payments to Acquire Intangible Assets Acquisition of software Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities The cash inflow from the additional capital contribution to the entity. Proceeds from Issuance of Common Stock and Warrants Proceeds from direct offerings of Common Stock and warrants Proceeds from registered direct offerings Proceeds from Paycheck Protection Program. Proceeds From Paycheck Protection Program Proceeds from borrowings under Paycheck Protection Program Proceeds from Issuance of Senior Long-term Debt Proceeds from additional borrowing from B3D Proceeds from Stock Options Exercised Proceeds from stock option exercises Proceeds from funding advances, net. Proceeds From Funding Advance Net Proceeds from funding advance Payments of funding advance, net. Payments Of Funding Advance Net Repayment of funding advance Proceeds from Notes Payable Issuance of Calm Note Payments of Debt Issuance Costs Debt issuance costs Repayments of Convertible Debt Payments on convertible notes Proceeds from Noncontrolling Interests Contributions from noncontrolling interests Payments to Noncontrolling Interests Distributions to noncontrolling interests Proceeds from (Payments for) Other Financing Activities Other Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Effect of Exchange Rate on Cash and Cash Equivalents Effect of exchange rate changes on cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Increase (decrease) in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents, and restricted cash at end of the period Cash, cash equivalents, and restricted cash at beginning of the period Aggregate cash, cash equivalents, and restricted cash Total cash, cash equivalents and restricted cash Cash paid during the period for Cash Paid During The Period For [Abstract] Cash paid during the period for Interest Paid, Including Capitalized Interest, Operating and Investing Activities Interest Income taxes Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Non-cash investing and financing transactions The amount of debt discount that were incurred during a noncash or partial noncash transaction. Debt discount Debt discount related to issuance of convertible notes The amount of the original debt and interest being converted in a noncash (or part noncash) transaction. Conversion Original Debt And Interest Amount Issuance of shares of Common Stock to pay debt and interest Disclosure - General - Additional Information [Abstract] General Nature of Operations [Text Block] General Accounting and Reporting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Accounting and Reporting Policies Net Loss per Share of Common Stock Earnings Per Share [Text Block] Net Loss per Share of Common Stock Cash, Cash Equivalents, and Restricted Cash Cash and Cash Equivalents Disclosure [Text Block] Cash, Cash Equivalents, and Restricted Cash Other Current Assets Other Current Assets [Text Block] Other Current Assets Property and Equipment Property, Plant and Equipment Disclosure [Text Block] Property and Equipment Other Assets