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COMMITMENTS - Remaining lease obligation (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 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 $ 1,516 $ 1,536 $ 1,626 $ 1,716