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7. Debt (Details - Notes payable) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Total notes payable $ 0 $ 6,279
Less current maturities 0 (3,166)
Total long-term portion 0 3,113
Term Loan 1 [Member]    
Total notes payable 0 2,832
Term Loan 2 [Member]    
Total notes payable $ 0 $ 3,447