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7. Debt (Details Narrative) - Revolving Credit Facility [Member] - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2020
May 07, 2018
Line of credit balance $ 2,757  
Unamortized financing costs 20  
Line of credit available $ 6,223  
Credit line effective interest rate 2.43%  
Credit line expiration date May 07, 2021  
Revolving Loan [Member]    
Revolving credit facility maximum borrowing capacity   $ 9,000
Incremental Facility [Member]    
Revolving credit facility maximum borrowing capacity   $ 5,000