Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Details 2)

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STOCK-BASED COMPENSATION (Details 2) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2013
Mar. 31, 2013
Jun. 30, 2013
Outstanding - Number of Shares Issuable Upon Exercise of Outstanding Options, Beginning Balance 6,291,638 6,439,188 6,439,188
Granted - Number of Shares Issuable Upon Exercise of Outstanding Options 0 20,000  
Forfeited - Number of Shares Issuable Upon Exercise of Outstanding Options 0 (167,550)  
Outstanding - Number of Shares Issuable Upon Exercise of Outstanding Options, Ending Balance 6,291,638 6,291,638 6,291,638
Vested - Number of Shares Issuable Upon Exercise of Outstanding Options 3,418,004   3,418,004
Unvested - Number of Shares Issuable Upon Exercise of Outstanding Options 2,873,634   2,873,634
Exercisable - Number of Shares Issuable Upon Exercise of Outstanding Options 3,418,004   3,418,004
Outstanding - Weighted Average Exercise Price, Beginning Balance (in dollars per share) $ 1.54 $ 1.52 $ 1.52
Granted - Weighted Average Exercise Price (in dollars per share)   $ 0.74  
Forfeited - Weighted Average Exercise Price (in dollars per share)   $ 0.75  
Outstanding - Weighted Average Exercise Price, Ending Balance (in dollars per share) $ 1.54 $ 1.54 $ 1.54
Vested - Weighted Average Exercise Price (in dollars per share) $ 2.12   $ 2.12
Unvested - Weighted Average Exercise Price (in dollars per share) $ 0.86   $ 0.86
Exercisable - Weighted Average Exercise Price (in dollars per share) $ 2.12   $ 2.12
Vested - Weighted Average Remaining Contracted Term in Years     8 years 1 month 20 days
Unvested - Weighted Average Remaining Contracted Term in Years     8 years 9 months 25 days
Exercisable - Weighted Average Remaining Contracted Term in Years     8 years 1 month 20 days
Vested - Aggregate Intrinsic Value (in dollars) $ 8,068   $ 8,068
Unvested - Aggregate Intrinsic Value (in dollars) 6,432   6,432
Exercisable - Aggregate Intrinsic Value (in dollars) $ 8,068   $ 8,068