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STOCK BASED COMPENSATION (Status of Restricted Stock) (Details) - $ / shares
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Nonvested, Number of Shares [Roll Forward]    
Vested (in shares) (300,000)  
Restricted Stock [Member]    
Nonvested, Number of Shares [Roll Forward]    
Non-vested at beginning of period (in shares) 3,994,787 4,518,932
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 1,467,500 1,455,500
Forfeited (in shares) (162,796) (113,250)
Vested (in shares) (1,009,884) (614,604)
Non-vested at end of period (in shares) 4,289,607 5,246,578
Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]    
Non-vested at beginning of the period (in usd per share) $ 2.46 $ 2.32
Granted (in usd per share) 2.82 2.39
Forfeited (in usd per share) 3.04 3.55
Vested (in usd per share) 2.65 3.88
Non-vested at end of period (in usd per share) $ 2.52 $ 2.13