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13. Leases (Details 3) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Leases [Abstract]    
Gross financing receivables $ 1,449 $ 1,086
Less unearned income (490) (382)
Financing receivables, net 959 704
Less: Current portion of finance receivables, net (211) (143)
Finance receivables due after one year $ 748 $ 561