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STOCK COMPENSATION - STOCK COMPENSATION EXPENSE (Details) - General and administrative expense. - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
STOCK COMPENSATION        
Stock compensation expense $ 511 $ 929 $ 1,152 $ 2,062
Stock options        
STOCK COMPENSATION        
Stock compensation expense 152 440 321 555
Restricted Stock Units        
STOCK COMPENSATION        
Stock compensation expense $ 359 $ 489 830 1,506
Warrants        
STOCK COMPENSATION        
Stock compensation expense     $ 1 $ 1