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COMMITMENTS AND CONTINGENCIES (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]    
Remainder of 2021 $ 149  
2022 370  
2023 364  
2024 218  
Thereafter 0  
Total minimum payments 1,101  
Less: short-term lease liabilities (430)  
Long-term lease liabilities $ 671 $ 951