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5. Commitments and Contingencies (Details 3) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]
2021	$ 691
2022	573
2023	577
2024	595
2025	612
Thereafter	1,393
Total lease payments	4,441
Less: imputed interest	(1,614)
Total operating lease liability	2,827	$ 2,894
2021	577
2022	494
2023	494
2024	44
2025	0
Thereafter	0
Total lease payments	1,609
Less: imputed interest	(130)
Total finance lease liability	$ 1,479	$ 1,581

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