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5. Leases (Details Narrative) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Leases [Abstract]      
Operating ROU assets $ 3,622 $ 0 $ 0
Operating lease liabilities 3,647 0 0
Rent expense $ 949 $ 785 $ 756