Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION - Restricted Stock Grants (Details)

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STOCK-BASED COMPENSATION - Restricted Stock Grants (Details) - USD ($)
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Weighted Average Grant Date Fair Value Per Share    
Weighted Average Grant Date Fair Value Per Share Granted $ 1.76 $ 2.30
Non-vested restricted stock [Member]    
Number of Shares    
Number of Shares Outstanding Beginning 18,668 38,000
Number of Shares Granted 0 0
Number of Shares Vested (9,334) (12,665)
Number of Shares Forfeited 0 (6,667)
Number of Shares Outstanding Ending 9,334 18,668
Weighted Average Grant Date Fair Value Per Share    
Weighted Average Grant Date Fair Value Per Share Outstanding Beginning $ 21.00 $ 20.95
Weighted Average Grant Date Fair Value Per Share Granted 0.00 0.00
Weighted Average Grant Date Fair Value Per Share Vested 21.00 20.95
Weighted Average Grant Date Fair Value Per Share Forfeited 0.00 20.80
Weighted Average Grant Date Fair Value Per Share Outstanding Ending $ 21.00 $ 21.00
Total Grant Date Fair Value    
Total Grant Date Fair Value Outstanding Beginning $ 392,000 $ 796,000
Total Grant Date Fair Value Granted 0  
Total Grant Date Fair Value Vested (196,000) (265,000)
Total Grant Date Fair Value Forfeited 0 (139,000)
Total Grant Date Fair Value Outstanding Ending $ 196,000 $ 392,000