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SHARE-BASED PAYMENTS - Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity (Details) - R S U Weighted [Member]
 3 Months Ended
Mar. 31, 2017
$ / shares
shares
Number of shares  
Number of nonvested shares, beginning of period (in shares) | shares 1,330,469
Granted, nonvested, number of shares (in shares) | shares 1,131,760
Vested, number of shares (in shares) | shares (752,580)
Nonvested options forfeited, number of shares (in shares) | shares (33,019)
Number of nonvested shares, end of period (in shares) | shares 1,676,630
Weighted Average Grant- Date Fair Value  
Nonvested, weighted average grant date fair value, beginning of period (in dollars per share) | $ / shares $ 2.37
Granted, nonvested, weighted average grant date fair value (in dollars per share) | $ / shares 2.51
Vested, weighted average grant date fair value (in dollars per share) | $ / shares 2.35
Nonvested options forfeited, weighted average grant date fair value (in dollars per share) | $ / shares 2.12
Nonvested, weighted average grant date fair value, end of period (in dollars per share) | $ / shares $ 2.48