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14. Income Tax (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Income tax expense (benefit) at the federal statutory rate	$ (7,619)	$ (10,799)
Tax Rate Re-measurement - 2017 Tax Cut	0	19,600
State tax expense (benefit)	(632)	(1,689)
Foreign tax rate differential	450	1,154
Stock-based compensation	150	299
Interest Expense	0	33
GILTI Inclusion	97	0
Other	(47)	(24)
Credits	0	(24)
Valuation Allowance	7,608	(8,544)
Income Tax Expense	$ 7	$ 6
Effective Tax Rate	(0.02%)	(0.02%)

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