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STOCK-BASED COMPENSATION (Details 3) - $ / shares
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Number of Shares    
Unvested at beginning of period 38,889,000
Restricted stock granted 0 100,000,000
Restricted stock vested 8,333,000 33,333,000
Unvested at end of period 30,556,000 66,667,000
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