Fair Value Measurements Using Quoted Prices in Active Markets (Level 1) Securities Financing Transaction [Axis] Fair Value Measurements Using Significant Other Observable Inputs (Level 2) Fair Value Measurements Using Significant Unobservable Inputs (Level 3) CyberFone Systems Business Acquisition [Axis] Patents Acquired Finite-Lived Intangible Assets by Major Class [Axis] Warrants Class of Warrant or Right [Axis] Stock Options Award Type [Axis] Stock Options [Member] Equity Interest Type [Axis] Post Stock Split Scenario [Axis] Pre Stock Split Vesting Immediately Vesting [Axis] Vesting Over 12 Months Consulting Agreement 1 - 04-17-2013 Parties to Contractual Arrangement [Axis] Shares Consulting Agreement 1 - 06-28-2013 Restricted Stock [Member] Consultants Title of Individual [Axis] Doug Croxall, CEO John Stetson, CFO Nathaniel Bradley, Cheif Technology Officer James Crawford, Chief Operating Officer Independent Directors Legal Consultant Lower Range Range [Axis] Upper Range Cost Investments by Category [Axis] Gross Unrealized Gains/(losses) Gross Realized Gains/(losses) Fair Value Common Stock Equity Components [Axis] Additional Paid-In Capital Accumulated Deficit Accumulated Other Comprehensive Income Noncontrolling Interest Kairix Analytics Richard Raisig, CFO Selene Communication Technologies Acquisition LLC [Member] Business Combination, Separately Recognized Transactions [Axis] Bismarck [Member] CRFD Research [Member] CyberFone [Member] Dynamic [Member] Advances E2E [Member] Loopback [Member] Hybrid [Member] IP Liquidity [Member] Relay [Member] Sampo [Member] Sarif Biomedical [Member] Selene [Member] Signal [Member] Vantage Point [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 a Well-known Seasoned Issuer? Is Entity a Voluntary Filer? Is Entity's Reporting Status Current? Entity Filer Category Entity Common Stock, Shares Outstanding Document Fiscal Period Focus Document Fiscal Year Focus Statement of Financial Position [Abstract] ASSETS Current assets: Cash Accounts receivable - net Marketable securities - available for sale securities Prepaid expenses and other current assets Total current assets Other assets: Property and equipment, net Intangible assets, net Goodwill Total other assets Total Assets LIABILITIES AND STOCKHOLDERS' EQUITY Current liabilities: Accounts payable and accrued expenses Notes payable Liabilities of discontinued operations Total liabilities Stockholders' Equity: Convertible Preferred stock Series A, $.0001 par value, 50,000,000 shares authorized: 1,023,579 and 0 issued and outstanding at June 30, 2014 and December 31, 2013, respectively Convertible Preferred stock Series B, $.0001 par value, 50,000,000 shares authorized: 391,000 and 0 issued and outstanding at June 30, 2014 and December 31, 2013, respectively Common stock, $.0001 par value; 200,000,000 shares authorized; 5,613,632 and 5,489,593 issued and outstanding at June 30, 2014 and December 31, 2013, respectively Additional paid-in capital Accumulated other comprehensive loss - marketable securities available for sale Accumulated deficits Total Marathon Patent Group, Inc. equity Non-controlling interest in subsidiary Total stockholders' equity Total liabilities and stockholders' equity Preferred stock Series A, par value Preferred stock Series A, shares authorized Preferred stock Series A, shares issued Preferred stock Series A, shares outstanding Preferred stock Series B, par value Preferred stock Series B, shares authorized Preferred stock Series B, shares issued Preferred stock Series B, shares outstanding Common stock, par value Common stock, shares authorized Common stock, shares issued Common stock, shares outstanding Income Statement [Abstract] Revenues Cost of revenues Gross profit Expenses Amortization of patents Compensation and related taxes Consulting fees Professional fees General and administrative Total operating expenses Operating loss from continuing operations Other income (expenses) Interest income Interest income Interest expense Total other income (expenses) Loss from continuing operations before provision for income taxes Provision for income taxes Loss from continuing operations Discontinued operations: Income from discontinued operations, net of tax Net loss Deemed dividends related to beneficial conversion feature of Series A preferred stock Net loss available to common shareholders Loss available to common shareholders, per common share, basic and diluted: Loss from continuing operations Loss from discontinued operations Total loss per common shares, basic and diluted WEIGHTED AVERAGE COMMON SHARES OUTSTANDING - Basic and Diluted Statement of Cash Flows [Abstract] Cash flows from operating activities: Net loss Adjustments to reconcile net loss to net cash provided by (used in) operating activities: Depreciation Amortization of intangible assets Amortization of prepaid expense in connection with the issuance of common stock issued for prepaid services Stock based compensation on warrants Stock based compensation Common stock issued for services Non-cash revenue Changes in operating assets and liabilities Accounts receivable Assets of discontinued operations - current portion Prepaid expenses and other current assets Accounts payable and accrued expenses Net cash provided by (used in) operating activities Cash flows from investing activities: Purchases of patents Purchase of property and equipment Proceeds received from the sale of real estate property (discontinued operations) Acquisition of Cyberfone Systems, LLC (cash portion) Capitalized cost related to improvements of real estate property (discontinued operations) Net cash (used in) provided by investing activities Cash flows from financing activities: Payment on note payable in connection with the acquisition of IP Liquidity Cash received upon exercise of warrant Payment on note payable in connection with the acquisition of Cyberfone Systems, LLC Proceeds received from sale of Preferred Stock / common stock, net of issuance costs Net cash provided by financing activities Net increase in cash Cash at beginning of period Cash at end of period SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION: Cash paid for: Interest SUPPLEMENTAL DISCLOSURE OF NON-CASH INVESTING AND FINANCING ACTIVITIES: Common stock issued in connection with the acquisition of Cyberfone Systems, LLC Series B Preferred stock issued in connection with the acquisition of Dynamic Advances, LLC Series B preferred stock issued in connection with the acquisition of IP Liquidity Ventures, LLC Common stock issued in connection with the acquisition of Selene Communication Technologies, LLC Value of warrants pertaining to equity issuance Notes payable issued in connection with the acquisition of Dynamic Advances LLC, IP Liquidity Ventures, LLC, and Selene Communication Technologies, LLC Common stock issued for prepaid services Acquisition of patents in connection with a non-cash settlement Accounting Policies [Abstract] ORGANIZATION AND DESCRIPTION OF BUSINESS SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Business Combinations [Abstract] ACQUISITION DISCONTINUED OPERATIONS Goodwill and Intangible Assets Disclosure [Abstract] INTANGIBLE ASSETS Equity [Abstract] STOCKHOLDERS' EQUITY Commitments and Contingencies Disclosure [Abstract] COMMITMENTS AND CONTINGENCIES Subsequent Events [Abstract] SUBSEQUENT EVENTS Basis of Presentation and Principle of Consolidation Use of Estimates and Assumptions Cash and Cash Equivalents Accounts Receivable Marketable Securities Concentration of revenue and geographic area Revenue Recognition Cost of Revenues Prepaid Expenses and Other Current Assets Comprehensive Income Fair Value of Financial Instruments Accounting for Acquisitions Income Taxes Basic and Diluted Net Loss per Share Intangible assets Goodwill and other intangible assets Impairment of Long-lived Assets Stock-based Compensation Recent Accounting Pronouncements Schedule of Basic and Diluted Loss Per Share Schedule of Business Acquisition Pro Forma Information Schedule of Business Acquisition Pro Forma Information - Selene Comm Schedule of Assets And Liabilities Schedule of Discontinued Operations Schedule of Intangible Assets Schedule of Amortization Expense Summary of the Company's patent portfolios Status of outstanding stock warrants Summary of stock options Schedule of Future Lease Payments Numerator: Loss from continuing operations Income (loss) from discontinued operations Denominator: Denominator for basic and diluted loss per share (weighted-average shares) Income (loss) per common share, basic and diluted: Income (loss) from discontinued operations Prepaid expenses Allowance for bad debt Accounts receivable Stock based consulting expenses Options outstanding Warrants outstanding Restricted stock outstanding Intangible assets Net purchase price Statement [Table] Statement [Line Items] Intangible assets Net working capital Goodwill Net purchase price Liabilities: Accounts payables and accrued expenses Fair value of Series B Convertible Preferred Revenues - real estate Cost of sales- real estate Gross profit Operating and other non-operating expenses Gain on sale of assets os discontinued operations Patents Accumulated amortization Intangible assets, net Future amortization of intangible assets, net 2014 2015 2016 2017 2018 2019 and thereafter Total Finite-Lived Intangible Assets by Major Class [Axis] Number of patents Earliest expiration date Median expiration date Latest expiration date Subject matter Amortization expense Stock Warrant Activity Number Warrants Warrants, beginning balance Granted Cancelled Forfeited Exercised Warrants, ending balance Warrants Exercisable value of warrants granted during the period Weighted Average Exercise Price Weighted average exercise price, beginning balance Granted Cancelled Forfeited Exercised Warrant Exercise Price Vested and exercisable Weighted Average Remaining Contractual Life Weighted average contractual life, beginning balance Granted Forfeited Weighted average contractual life, ending balance Share-based Compensation Activity Number Options Options outstanding, beginning Options Granted Options Exercised Forfeited Options Cancelled Options outstanding, ending Awards Exercisable Options expected to vest Weighted Average Exercise price, beginning Granted Exercised Forfeited Cancelled Weighted Average Exercise price, ending Vested and exercisable Balance Beginning Cancelled Balance ending Share-based compensation Value of shares issued for services Grant date fair value (per share) Stock-based consulting expense Stock-based prepaid expense Unrecognized compensation expense - warrants Intrinsic value stock options outstanding 2014 (6 months) 2015 2016 2017 2018 Total Commitments And Contingencies Details Narrative Lease term Lease deposit Outstanding notes payable Share based compensation expense recognized during the period in connection with warrants. Share based compensation expense recognized during the period in connection with options. Amounts of cash flows associated with the disposal group, including a component of the entity qualifying as a discontinued operation. Numerator: Denominator: custom:ScheduleOfBusinessAcquisitionProFormaInformationTextBlockTableTextBlock Weighted average per share amount at which grantees can acquire shares of common stock by exercise of warrants. Weighted average price of warrants that were either forfeited or expired. Weighted average price at which grantees could have acquired the underlying shares with respect to stock warrants that were terminated. Weighted average price at which option holders acquired shares when converting their stock warrants into shares. The weighted average exercise price of warrants vested and exercisable. Weighted average remaining contractual term for equity-based awards excluding options granted in the period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Weighted average remaining contractual term for equity-based awards excluding options forfeited in the period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. custom:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 As of the balance sheet date, the number of shares into which expected to vest stock options outstanding can be converted under the option plan. Weighted average remaining contractual term for option awards cancelled in the period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Information pertaining to equity activity subsequent to the stock split. Information pertaining to equity activity prior to the stock split. The number of shares vesting immediately upon issuance. The number of shares vesting over 12 months after issuance. Information pertaining to the Consulting Agreement entered into on April 17, 2013. Information pertaining to the Consulting Agreement entered into on June 28, 2013. Amount of stock-based consulting expense recognized in the period. The amount of prepaid expense related to stock-based consulting recorded as of the balance sheet date. Information pertaining to Consultants. Information pertaining to legal consulting services provided to the company. custom:StockIssuedDuringPeriodValueIssuedForServices1 Cost Increases and decreases in equity (net assets) from peripheral or incidental sales of investments of an entity except those that result from revenues or investments by owners. Fair Value custom:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest1 custom:MarketableSecuritiesUnrealizedGainLossMember custom:AccountingAcquisitionsPolicy custom:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths1 custom:KairixAnalyticsMember custom:ChiefFinancialOfficer1Member custom:CapitalizedCostRelatedToImprovementsOfRealEstatePropertyDiscontinuedOperations custom:WarrantsOutstanding custom:RestrictedStockOutstanding custom:PreferredStockSeriesBValue custom:PreferredStockSEriesBSharesOutstanding custom:PreferredStockSeriesBSharesIssued custom:PreferredStockSeriesBSharesAuthorized custom:PreferredStockSeriesBParOrStatedValuePerShare Non-cash revenue. Acquisition of Cyberfone Systems, LLC (cash portion). Purchases of patents. Common stock issued in connection with the acquisition of Cyberfone Systems, LLC. Series B Preferred stock issued in connection with the acquisition of Dynamic Advances, LLC. Series B preferred stock issued in connection with the acquisition of IP Liquidity Ventures, LLC. Common stock issued in connection with the acquisition of Selene Communication Technologies, LLC. Notes payable issued in connection with the acquisition of Dynamic Advances LLC, IP Liquidity Ventures, LLC, and Selene Communication Technologies, LLC. Common stock issued for prepaid services. Acquisition of patents in connection with a non-cash settlement. Summary of the Company's patent portfolios. custom:SeleneCommunicationTechnologiesAcquisitionLLCMember Intangible assets. Net working capital. Net purchase price. Intangible assets, net. custom:BismarckMember custom:CRFDResearchMember custom:CyberfoneMember custom:DynamicMember custom:AdvancesE2EMember custom:LoopbackMember custom:HybridMember custom:IPLiquidityMember custom:RelayMember custom:SampoMember custom:SarifBiomedicalMember custom:SeleneMember custom:SignalMember custom:VantagePointMember Number of patents. Earliest expiration date. Median expiration date. Latest expiration date. Subject matter. value of warrants granted during the period. custom:AwardsExercisable Intrinsic value stock options outstanding. Assets, Current Assets, Noncurrent Assets Liabilities, Current Stockholders' Equity Attributable to Parent StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest1 Liabilities and Equity Gross Profit Operating Expenses Operating Income (Loss) Interest Income, Other Interest Expense Nonoperating Income (Expense) Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Income (Loss) from Continuing Operations Attributable to Parent Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Increase (Decrease) in Accounts Receivable Increase (Decrease) in Prepaid Expense Increase (Decrease) in Accounts Payable and Accrued Liabilities Net Cash Provided by (Used in) Operating Activities Payments to Acquire Property, Plant, and Equipment CapitalizedCostRelatedToImprovementsOfRealEstatePropertyDiscontinuedOperations Net Cash Provided by (Used in) Investing Activities Net Cash Provided by (Used in) Financing Activities Cash [Default Label] IncomeLossFromContinuingOperations1 Intangible Assets, Gross (Excluding Goodwill) IntangibleAssets Business Acquisition, Goodwill, Expected Tax Deductible Amount NetPurchasePrice Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax Finite-Lived Patents, Gross IntangibleAssetsNet Class of Warrant or Right, Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Class of Warrant or Right, Exercise Price of Warrants or Rights ShareBasedCompensationArrangementsByShareBasedPaymentAwardNonOptionGrantsInPeriodWeightedAverageExercisePrice ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice ShareBasedCompensationArrangementsByShareBasedPaymentAwardNonOptionsForfeituresInPeriodWeightedAverageExercisePrice ShareBasedCompensationArrangementsByShareBasedPaymentAwardNonOptionsExercisesInPeriodWeightedAverageExercisePrice ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsGrantsWeightedAverageRemainingContractualTerms1 ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionsForfeituresWeightedAverageRemainingContractualTerms1 Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpectedToVestOutstandingNumber 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, Forfeitures in Period, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCancellationsWeightedAverageRemainingContractualTerms1 Capital Leases, Future Minimum Payments Due in Two Years Capital Leases, Future Minimum Payments Due in Three Years Capital Leases, Future Minimum Payments Due in Four Years Capital Leases, Future Minimum Payments Due in Five Years Capital Leases, Future Minimum Payments Due