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12. Income Tax (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Income tax expense (benefit) at the federal statutory rate	$ (5,314)	$ (9,225)
State tax expense (benefit)	(775)	(760)
Foreign tax rate differential	(401)	180
Stock-based compensation	152	253
Interest Expense	26	16
Goodwill impairment	0	329
Other	127	113
Credits	(24)	(17)
Valuation Allowance	6,215	9,117
Income Tax Expense	$ 6	$ 6
Effective Tax Rate	(0.04%)	(0.02%)

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