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, 2020
Dec. 31, 2019
Weighted Average Grant Date Fair Value Per Share    
Weighted Average Grant Date Fair Value Per Share Granted $ 1.42 $ 1.76
Non-vested restricted stock [Member]    
Number of Shares    
Number of Shares Outstanding Beginning 9,334 18,668
Number of Shares Vested (9,334) (9,334)
Number of Shares Outstanding Ending   9,334
Weighted Average Grant Date Fair Value Per Share    
Weighted Average Grant Date Fair Value Per Share Outstanding Beginning $ 21.00 $ 21.00
Weighted Average Grant Date Fair Value Per Share Granted 0.00 0.00
Weighted Average Grant Date Fair Value Per Share Vested $ 21.00 21.00
Weighted Average Grant Date Fair Value Per Share Outstanding Ending   $ 21.00
Total Grant Date Fair Value    
Total Grant Date Fair Value Outstanding Beginning $ 196,000 $ 392,000
Total Grant Date Fair Value Vested $ (196,000) (196,000)
Total Grant Date Fair Value Outstanding Ending   $ 196,000