Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Details 2)

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STOCK-BASED COMPENSATION (Details 2) (USD $)
 6 Months Ended
Jun. 30, 2014
Share-based Compensation, Stock Options, Activity [Line Items]  
Outstanding - Number of Shares Issuable Upon Exercise of Outstanding Options 634,658
Granted - Number of Shares Issuable Upon Exercise of Outstanding Options 20,000
Canceled - Number of Shares Issuable Upon Exercise of Outstanding Options (20,521)
Forfeited - Number of Shares Issuable Upon Exercise of Outstanding Options (14,474)
Outstanding - Number of Shares Issuable Upon Exercise of Outstanding Options 619,663
Vested - Number of Shares Issuable Upon Exercise of Outstanding Options 264,752
Unvested - Number of Shares Issuable Upon Exercise of Outstanding Options 354,911
Exercisable - Number of Shares Issuable Upon Exercise of Outstanding Options 264,752
Outstanding - Weighted Average Exercise Price (in dollars per share) $ 18.20
Granted - Weighted Average Exercise Price (in dollars per share) $ 7.40
Canceled - Weighted Average Exercise Price (in dollars per share) $ 23.17
Forfeited - Weighted Average Exercise Price (in dollars per share) $ 15.00
Outstanding - Weighted Average Exercise Price (in dollars per share) $ 17.80
Vested - Weighted Average Exercise Price (in dollars per share) $ 29.00
Unvested - Weighted Average Exercise Price (in dollars per share) $ 9.20
Exercisable - Weighted Average Exercise Price (in dollars per share) $ 29.00
Vested - Weighted Average Remaining Contracted Term in Years 4 years 14 days
Unvested - Weighted Average Remaining Contracted Term in Years 9 years 3 months 4 days
Exercisable - Weighted Average Remaining Contracted Term in Years 4 years 14 days
Vested - Aggregate Intrinsic Value (in dollars) $ 0
Unvested - Aggregate Intrinsic Value (in dollars) 0
Exercisable - Aggregate Intrinsic Value (in dollars) $ 0