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7. Notes Payable (Details - Notes payable) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2017
Dec. 31, 2016
Total notes payable $ 6,699 $ 7,119
Less current maturities (3,419) (840)
Total long-term portion 3,280 6,279
Term Loan 1 [Member]    
Total notes payable $ 3,085 3,339
Debt maturity date May 31, 2018  
Debt interest rate 3.54%  
Term Loan 2 [Member]    
Total notes payable $ 3,614 $ 3,780
Debt maturity date May 31, 2019  
Debt interest rate 3.55%