(2) Equity Compensation Grant (Details)	Jun. 30, 2012
Shares Authorized
Falconstor Software, Inc., 2006 Incentive Stock Plan	12,044,957
Falconstor Software, Inc., 2006 Outside Directors Equity Compensation Plan	400,000
Shares Available For Grant Member
Falconstor Software, Inc., 2006 Incentive Stock Plan	2,197,887
Falconstor Software, Inc., 2006 Outside Directors Equity Compensation Plan	280,000
Shares Outstanding
Falconstor Software, Inc., 2006 Incentive Stock Plan	7,336,713
Falconstor Software, Inc., 2006 Outside Directors Equity Compensation Plan	90,300
Last Date for Grant of Shares
Falconstor Software, Inc., 2006 Incentive Stock Plan	May 17, 2016
Falconstor Software, Inc., 2006 Outside Directors Equity Compensation Plan	May 8, 2020