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COMMITMENTS AND CONTINGENCIES (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]    
Operating lease cost $ 669 $ 677
Finance lease cost    
Amortization of right-of-use asset 261 284
Interest on lease liabilities 53 53
Total finance lease cost $ 314 $ 337