Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Details 2)

v2.4.0.8
STOCK-BASED COMPENSATION (Details 2) (USD $)
 9 Months Ended
Sep. 30, 2013
Outstanding - Number of Shares Issuable Upon Exercise of Outstanding Options, Beginning Balance 6,439,188
Granted - Number of Shares Issuable Upon Exercise of Outstanding Options 160,000
Forfeited - Number of Shares Issuable Upon Exercise of Outstanding Options (338,386)
Expired - Number of Shares Issuable Upon Exercise of Outstanding Options (156,135)
Outstanding - Number of Shares Issuable Upon Exercise of Outstanding Options, Ending Balance 6,104,667
Vested - Number of Shares Issuable Upon Exercise of Outstanding Options 3,674,390
Unvested - Number of Shares Issuable Upon Exercise of Outstanding Options 2,430,277
Exercisable - Number of Shares Issuable Upon Exercise of Outstanding Options 3,674,390
Outstanding - Weighted Average Exercise Price, Beginning Balance (in dollars per share) $ 1.52
Granted - Weighted Average Exercise Price (in dollars per share) $ 0.47
Forfeited - Weighted Average Exercise Price (in dollars per share) $ 0.81
Expired - Weighted Average Exercise Price (in dollars per share) $ 2.47
Outstanding - Weighted Average Exercise Price, Ending Balance (in dollars per share) $ 1.51
Vested - Weighted Average Exercise Price (in dollars per share) $ 1.96
Unvested - Weighted Average Exercise Price (in dollars per share) $ 0.83
Exercisable - Weighted Average Exercise Price (in dollars per share) $ 1.96
Vested - Weighted Average Remaining Contracted Term in Years 7 years 11 months 12 days
Unvested - Weighted Average Remaining Contracted Term in Years 8 years 8 months 1 day
Exercisable - Weighted Average Remaining Contracted Term in Years 7 years 11 months 12 days
Vested - Aggregate Intrinsic Value (in dollars) $ 0
Unvested - Aggregate Intrinsic Value (in dollars) 0
Exercisable - Aggregate Intrinsic Value (in dollars) $ 0