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.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Price of a single share of a number of saleable stocks of a company.

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Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

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Share-Based Payment Arrangements (Detail Narrative) - USD ($)			3 Months Ended
	Apr. 01, 2016	Mar. 07, 2016	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016	Sep. 13, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares outstanding			44,154,499		43,954,919
Share-based compensation expense			$ 445,414	$ 990,610
Stock Price (in dollars per share)						$ 1.23
FalconStor Software, Inc., 2016 Incentive Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Authorized			2,166,606
Shares Available for Grant			176,093
FalconStor Software, Inc., 2016 Outside Directors Equity Compensation Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Authorized			400,000
Shares Available for Grant			360,000
Cumulus Logic, LLC \| Non-Employee Consultants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock issued for services	$ 892,500	$ 765,000
Stock Price (in dollars per share)	$ 1.33	$ 1.38
Cumulus Logic, LLC \| Non-Employee Consultants \| Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock issued for services (in shares)	591,582	507,070
Research and development costs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense			$ 129,715	$ 746,162
Research and development costs \| Cumulus Logic, LLC \| Non-Employee Consultants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 786,804	$ 699,757