Debt Instrument [Axis] Unsecured promissory notes [Member] Plan Name [Axis] 2012 Stock Incentive Plan [Member] Class of Stock [Axis] Series A Preferred Stock [Member] Series B Preferred Stock [Member] us-gaap:AwardType [Axis] Series B Preferred stock [Member] Common Stock [Member] Additional Paid-In Capital Accumulated Deficit Related Party [Axis] Four customer [Member] Three customer [Member] Two customer [Member] One customer [Member] Unsecured Convertible Notes Payable [Member] Range [Axis] Minimum [Member] Maximum [Member] Convertible Notes Payable Related Parties [Member] Title of Individual [Axis] StrikeForce Investor Group [Member] Finite-Lived Intangible Assets by Major Class [Axis] Exchange Agreement [Member] Related Party Transaction [Axis] Factor [Member] Contingent Consideration by Type [Axis] Litigation Funding Agreement [Member] Business Acquisition [Axis] Therium Inc. and VGL Capital, LLC [Member] Cyber Safety, Inc [Member] Fair Value, Hierarchy [Axis] Level 2 [Member] Legal Entity [Axis] BlockSafe [Member] Short-term Debt, Type [Axis] Convertible Notes Payable [Member] Spouse of Chief Technology Officer [Member] Note Two [Member] Note One [Member] VP of Technology [Member] Chief Executive Officer [Member] Nineteen Unrelated Parties [Member] Former Officer [Member] Unsecured notes payable [Member] Notes Payable [Member] Promissory note - various parties [Member] Related Party [Member] Related Parties [Member] Common stock for servies [Member] Award Type [Axis] Stock Options [Member] $975,000,000 [Member] 0.0057 [Member] $0.00625 [Member] 0.00625 - 975,000,000 [Member] September 2016 And December 2017 [Member] Convertible Common Stock [Member] Noncontrolling Interest 0.0016 [Member] Subsequent Event Type [Axis] Subsequent Event [Member] Unsecured Convertible Notes One Payable [Member] Option Indexed to Issuer's Equity, Type [Axis] Convertible Notes Payable [Member] Document And Entity Information Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Is Entity's Reporting Status Current? Entity Filer Category Entity Common Stock, Shares Outstanding Document Fiscal Period Focus Document Fiscal Year Focus Entity Emerging Growth Company Entity Small Business Statement [Table] Statement [Line Items] ASSETS Current Assets: Cash Accounts receivable, net Prepaid expenses Total current assets Property and equipment, net Other assets Total Assets LIABILITIES AND STOCKHOLDERS' DEFICIT Current Liabilities: Accounts payable and accrued expenses Convertible notes payable (net of discount of $312,014 and $0, respectively; $1,438,100 in default at September 30, 2018 and December 31, 2017, respectively) Convertible notes payable - related parties Notes payable (net of discount of $391,122 and $0, respectively; $1,638,824 in default at September 30, 2018 and December 31, 2017, respectively) Notes payable - related parties Accrued interest (including $1,236,225 and $1,145,941 due to related parties, respectively) Contingent payment obligation Financing obligation Derivative liabilities Total Current Liabilities Commitments and contingencies Stockholders' Deficit Preferred stock Common stock par value $0.0001: 5,000,000,000 shares authorized; 2,349,290,986 and 2,335,843,241 shares issued and outstanding, respectively Additional paid-in capital Accumulated deficit Total StrikeForce Technologies, Inc. stockholders' deficit Noncontrolling interest in consolidated subsidiary Total Stockholders' Deficit Total Liabilities and Stockholders' Deficit Convertible notes payable, net of discount Convertible notes payable, net of discount in default Notes payable, net of discount Notes payable, net of discount in default Accrued interest due to related parties Preferred Stock, no par value Preferred Stock, shares authorized Preferred Stock, shares issued Preferred Stock, shares outstanding Preferred stock series not designated, par value Common Stock, par or stated value Common Stock, shares authorized Common Stock, shares issued Common Stock, shares outstanding Condensed Consolidated Statements Of Operations Revenue Cost of revenue Gross margin Operating expenses: Compensation Professional fees Selling, general and administrative expenses Research and development Total operating expenses Loss from operations Other income (expense): Interest expense Debt discount amortization Private placement costs Change in fair value of derivative liabilities Extinguishment of derivative liabilities Loss on extinguishment of debt Forgiveness of debt Income tax expense Other income Other income (expense), net Net loss Deemed dividend on convertible preferred stock Net loss Net loss attributable to noncontrolling interest Net loss attributable to common shareholders of StrikeForce Technologies, Inc. Net loss per share attributable to common shareholders - Basic and diluted Weighted average common shares outstanding - Basic and diluted Equity Components [Axis] Beginning balance, Shares Beginning balance, Amount Fair value of common stock issued for services, Shares Fair value of common stock issued for services, Amount Fair value of vested options Common stock issued upon conversion of notes and interest, Share Common stock issued upon conversion of notes and interest, Amount Common stock issued upon conversion of Series B preferred stock, Shares Common stock issued upon conversion of Series B preferred stock, Amount Net loss Ending balance, Shares Ending balance, Amount Condensed Consolidated Statements Of Cash Flows Cash flows from operating activities: Adjustments to reconcile net loss to net cash used in operating activities: Depreciation and amortization Amortization of discount on notes payable Discount on notes payable recorded as interest expense Fair value of common stock issued for services Forgiveness of debt Change in fair value of derivative liabilities Private placement costs Loss on extinguishment of debt Extinguishment of derivative liabilities Changes in operating assets and liabilities: Accounts receivable Prepaid expenses Accounts payable and accrued expenses Accrued interest Net cash used in operating activities Cash flows from investing activities: Purchases of property and equipment Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Proceeds from convertible note payable Proceeds from notes payable Repayment of notes payable Proceeds from contingent payment obligation Proceeds from sale of Series B preferred stock Repayment of convertible notes payable Net cash provided by financing activities Net increase (decrease) in cash Cash at beginning of the period Cash at end of the period Supplemental disclosure of cash flow information: Interest paid Income tax paid Supplemental disclosure of non-cash investing and financing transactions Fair value of derivative created upon issuance of convertible debt recorded as debt discount Fair value of financing obligation recorded as debt discount Deemed dividend on convertible preferred stock Common stock issued for conversion of debt and accrued interest Notes to Financial Statements Note 1 - Organization and Summary of Significant Accounting Policies Note 2 - Convertible Notes Payable Note 3 - Convertible Notes Payable Related Parties Note 4 - Notes Payable Note 5 - Notes Payable Related Parties Note 6 - Financing Obligation Note 7 - Contingent Payment Obligation Note 8 - Derivative Financial Instruments Note 9 - Stockholders' Deficit Note 10 - Options Note 11 - Commitments and Contingencies Note 12 - Subsequent Events Organization And Summary Of Significant Accounting Policies Basis of Presentation-Unaudited Interim Financial Information Going Concern BlockSafe Technologies, Inc. Principles of Consolidation Estimates Revenue Recognition Fair Value of Financial Instruments Income (loss) per Share Concentrations Recent Accounting Pronouncements Organization And Summary Of Significant Accounting Policies Revenue disaggregated by major product and service lines Convertible Notes Payable Convertible notes payable Notes Payable Notes payable Notes Payable- Related Parties Notes payable- related parties Derivative Financial Instruments Summary of derivative liability Options Summary of stock options Summary of stock options outstanding and exercisable Organization And Summary Of Significant Accounting Policies Software Service Total revenue Fair Value Hierarchy and NAV [Axis] Net cash provided by (used in) operating activities Stockholders' deficit Fair value of derivative liabilities Default on notes payable and convertible notes payable Federally insured limit Convertible note payable Proceeds from convertible note payable Ownership interest held by officers Ownership interest held by company Ownership interest held by company and officers Proceeds from issuance of unsecured notes payable Noncontrolling interests percentage Percentage of sales revenues Percentage of accounts receivable Dilutive impact of outstanding stock options Series B preferred stock convert into common stock Antidilutive securities excluded from computation of earnings per share Conditional management fees Management Fee, Description Management fees Unsecured convertible promissory note Interest rate Convertible Notes Payable Secured (a) DART in default Unsecured (b) Convertible notes with fixed conversion features, in default (c) Convertible notes with adjustable conversion features Total convertible notes principal outstanding Debt discount Convertible notes, net of discount DART/Citco Global Balance of unsecured convertible notes Common stock conversion shares Common stock conversion prices Interest rate Conversion price description Maturity date range, start Maturity date range, end Acrrued interest of convertible notes Accrued interest expense Fair value of conversion feature Convertible notes with adjustable conversion features Convertible notes payable Unamortized discount Conversion of common stock Loss on settlement of debt. Debt and accrued interest Aggregate principal amount Prime plus interest rate Accrued interest expense Accrued interest due to related parties Number of notes Maturity date Notes Payable Unsecured (a) Promissory notes-in default (b) Promissory notes - StrikeForce Investor Group-in default (c) Promissory note (d) Promissory notes issued by BlockSafe Total notes payable principal outstanding Debt discount Notes payable, current maturities Promissory notes Maturity date Repayment of convertible debt Accrued interest Interest expense Balance outstanding Repayment of debt Due to related party (a) Promissory notes Notes payable, current maturities Financing obligation description Report Date [Axis] Proceeds from funders Contingent payment description Additional funding description Conversion feature: Risk-free interest rate Expected volatility Expected life (in years) Expected dividend yield Fair Value: Conversion feature Conversion price description of convertible promissory notes Change in fair value of derivatives Reduction of fair value of derivatives Common stock market price per share discount Common stock issued for conversion of series B Preferred stock Conversion price Number of Warrants Shares Outstanding, beginning balance Granted Exercised Expired Outstanding, ending balance Exercisable Exercise Price Range Per Share Outstanding, beginning balance Granted Exercised Expired Outstanding, ending balance Exercisable Weighted Average Exercise Price Outstanding, beginning balance Granted Exercised Expired Outstanding, ending balance Exercisable Number of warrants outstanding Weighted average remaining contractual life (years) Weighted average exercise price Number of warrants exercisable Weighted average remaining contractual life (years) Weighted average exercise price Increased authorized captal Option issued to purchase common shares Exercise price Expiry year Compensation cost of vested option Number of warrants available for issuance Patent expiry year Due to factor Remitted by factor Factor invoicing Option to buy patent price Amount receivable from product percentage Amount received for license payment Promissory notes Interest rate Debt maturity Agreement initial terms Monthely fee Common stock shares issued Exercise price Subsequent event description Convertible discount Convertible notes payable - related parties Due to factor Weighted Average Exercise Price Number of Shares Preferred stock series not designated, par value ConvertibleNotePayableOneMember Assets, Current Assets Liabilities, Current TotalStrikeforceTechnologiesInc.StockholdersDeficit Liabilities and Equity Gross Profit Operating Expenses Operating Income (Loss) Interest Expense Other Noncash Income (Expense) Net Income (Loss) Attributable to Parent Preferred Stock Dividends, Income Statement Impact Weighted Average Number of Shares Outstanding, Basic and Diluted Shares, Issued Increase (Decrease) in Accounts Receivable Increase (Decrease) in Prepaid Expense Increase (Decrease) in Accounts Payable Increase (Decrease) in Accrued Interest Receivable, Net Payments to Acquire Property, Plant, and Equipment Repayments of Notes Payable Net Cash Provided by (Used in) Financing Activities DisbursementAmount Accounts Payable, Interest-bearing, Interest Rate Debt Instrument, Increase, Accrued Interest Debt Instrument, Maturity Date, Description Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Convertible Secured Notes Payable {1} Total gains or losses (realized/unrealized) included in: Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term Debt Instrument, Interest Rate During Period Investment Options, Exercise Price