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SHARE-BASED COMPENSATION, STOCK OPTIONS, AND RESTRICTED SECURITIES, RESTRICTED STOCK (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Share-based compensation    
Stock-based compensation (in dollars) $ 215 $ 268
RSU    
Number of Grants    
Unvested balance at 7,086 343
Granted (in shares)   6,886
Vested/Released (in shares) (100) (143)
Forfeiture of restricted stock (584)  
Unvested balance at 6,402 7,086
Weighted-Average Grant Date Fair Value    
Unvested balance at (in dollars per share) $ 33.78 $ 693.17
Granted (in dollars per share)   15.59
Vested/Released (in dollars per share) 660.00 734.70
Forfeited (in dollars per share) 15.60  
Unvested balance at (in dollars per share) $ 25.67 $ 33.78
Share-based compensation    
Stock-based compensation (in dollars) $ 98 $ 103
Unrecognized compensation    
Total unrecognized compensation expense $ 120  
Period for unrecognized compensation expense is estimated to be recognized 1 year 3 months 26 days