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3. Intangible Assets (Details - Amortization schedule) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]    
2017 $ 672  
2018 635  
2019 210  
2020 130  
Total $ 1,647 $ 2,344