Quarterly report pursuant to Section 13 or 15(d)

SHARE-BASED COMPENSATION (Details)

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SHARE-BASED COMPENSATION (Details) - Employee Stock Option [Member] - USD ($)
 9 Months Ended 12 Months Ended
Sep. 30, 2015
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Outstanding at Beginning Balance 1,226,800  
Shares, Grants 468,243  
Shares, Forfeitures or expirations (83,400)  
Outstanding at Ending Balance 1,611,643 1,226,800
Shares, Vested and expected to vest at September 30, 2015 1,611,643  
Shares, Exercisable at September 30, 2015 575,149  
Weighted-Average Exercise Price, Outstanding at January 1, 2015 $ 12.40  
Weighted-Average Exercise Price, Grants 5.98  
Weighted-Average Exercise Price, Forfeitures or expirations 8.17  
Weighted-Average Exercise Price, Outstanding at September 30, 2015 10.76 $ 12.40
Weighted-Average Exercise Price, Vested and expected to vest at September 30, 2015 10.76  
Weighted-Average Exercise Price, Exercisable at September 30, 2015 $ 16.14  
Weighted-Average Remaining Contractual Term, Outstanding 8 years 6 months 22 days 9 years
Weighted- Average Remaining Contractual Term, Grants 9 years 4 months 28 days  
Weighted-Average Remaining Contractual Term, Vested and expected to vest at September 30, 2015 8 years 6 months 22 days  
Weighted Average Remaining Contractual Term, Exercisable at September 30, 2015 7 years 7 months 28 days  
Aggregate Intrinsic Outstanding at September 30, 2015 $ 0 $ 0
Aggregate Intrinsic Value, Vested and expected to vest at September 30, 2015 0  
Aggregate Intrinsic Value, Exercisable at September 30, 2015 $ 0