Annual report pursuant to Section 13 and 15(d)

SHARE-BASED COMPENSATION (Details)

v3.3.1.900
SHARE-BASED COMPENSATION (Details) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares, Grants 651,357    
Weighted-Average Exercise Price, Grants $ 4.74 $ 8.20 $ 7.83
Employee Stock Option [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Outstanding at Beginning Balance 1,226,800 376,500 150,000
Shares, Grants 513,243 850,300 226,500
Shares, Exercised 0 0 0
Shares, Forfeitures or expirations (83,400) 0 0
Outstanding at Ending Balance 1,656,643 1,226,800 376,500
Shares, Vested and expected to vest at December 31, 2015 1,656,643    
Shares, Exercisable at December 31, 2015 744,385    
Weighted-Average Exercise Price, Outstanding $ 12.40 $ 18.09 $ 30.00
Weighted-Average Exercise Price, Grants 6.01 9.53 10.20
Weighted-Average Exercise Price, Forfeitures or expirations 8.17    
Weighted-Average Exercise Price, Outstanding 10.64 $ 12.40 $ 18.09
Weighted-Average Exercise Price, Vested and expected to vest at December 31, 2015 10.64    
Weighted-Average Exercise Price, Exercisable at December 31, 2015 $ 14.37    
Weighted-Average Remaining Contractual Term, Outstanding 8 years 4 months 6 days    
Weighted-Average Remaining Contractual Term, Vested and expected to vest at December 31, 2015 8 years 4 months 6 days    
Weighted Average Remaining Contractual Term, Exercisable at December 31, 2015 7 years 7 months 28 days    
Aggregate Intrinsic Outstanding $ 1,125,299    
Aggregate Intrinsic Value, Vested and expected to vest at December 31, 2015 1,125,299    
Aggregate Intrinsic Value, Exercisable at December 31, 2015 $ 120,817