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STOCK-BASED COMPENSATION (Details 3) - $ / shares
6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Number of Shares    
Unvested at beginning of period
Restricted stock granted 100,000
Restricted stock vested 16,667
Unvested at end of period 83,333
Weighted Average Grant-Date Fair Value per Share    
Unvested at beginning of period
Restricted stock granted 3.64
Restricted stock vested
Unvested at end of period $ 3.64