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LEASE LIABILITIES AND RIGHT OF USE ASSETS - Future minimum operating lease payments (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
LEASE LIABILITIES AND RIGHT OF USE ASSETS    
2021 (9 months remaining) $ 197  
2022 257  
2023 118  
2024 81  
Total minimum lease payments 653  
Less: present value discount (53)  
Total operating lease liabilities 600  
Current portion of operating lease obligations 234 $ 229
Long term portion of lease liabilities $ 366 $ 427