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1. Summary of Significant Accounting Policies (Details - Lease - Statement of Operations) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Accounting Policies [Abstract]        
Operating lease cost $ 1,884 $ 1,785 $ 5,659 $ 5,290
Finance lease cost 46 0 90 0
Total lease cost $ 1,930 $ 1,785 $ 5,749 $ 5,290