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STOCKHOLDERS’ EQUITY - RESTRICTED STOCK PLAN NARRATIVE (Details) - Restricted Stock Awards
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
installment
Dec. 31, 2020
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of installments | installment 4  
Share-based payment arrangement, expense $ 200 $ 40
Share-based payment arrangement, nonvested award, cost not yet recognized, amount $ 500