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STOCK-BASED COMPENSATION (Details 3) - $ / shares
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Number of Shares    
Unvested at beginning of period
Restricted stock granted 100,000 100,000
Restricted stock vested 33,333
Unvested at end of period 66,667 100,000
Weighted Average Grant-Date Fair Value per Share    
Unvested at beginning of period
Restricted stock granted 3.64 3.64
Restricted stock vested
Unvested at end of period $ 3.64 $ 3.64