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4. Debt (Details Narrative) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2019
Dec. 31, 2018
Warehouse lines of credit $ 139,224 $ 136,847
Residual interest financing [Member]    
Unamortized debt issuance costs 708 894
Warehouse Lines of Credit [Member]    
Unamortized debt issuance costs 1,500 $ 1,200
Credit line maximum borrowing amount 100,000  
Warehouse lines of credit $ 41,500  
Credit line expiration date Feb. 28, 2021