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23. Income Taxes (Details - Loss before Provision) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]      
United States $ (4,926) $ (6,946) $ (24,757)
Foreign (10,130) 1,141 (1,620)
Loss from continuing operations before income taxes $ (15,056) $ (5,805) $ (26,377)