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10. Commitments and Contingencies (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]    
2021 $ 588  
2022 370  
2023 364  
2024 218  
Thereafter 0  
Total minimum payments 1,540  
Less: short-term lease liabilities (589) $ (435)
Long-term lease liabilities $ 951 $ 1,264