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COMMITMENTS - Remaining lease obligation (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
COMMITMENTS    
2022 $ 470  
2023 470  
2024 470  
2025 116  
Total undiscounted lease payments 1,526  
Discount (79)  
Lease liability $ 1,447 $ 1,716