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7. Leases (Details 1) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Leases [Abstract]    
2020 $ 166 $ 823
2021 664 793
2022 496 501
2023 471 393
2024 391 304
Thereafter 1,356 1,320
Total 3,544 4,134
Less: imputed interest (405) (487)
Operating lease liability $ 3,139 $ 3,647