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13. Parent Company Financial Statements (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Selling, general and administrative expenses	$ 12,011	$ 12,361
Operating loss	(781)	(8,609)
Other expense
Other income (expense)	334	(270)
Loss before income taxes	(15,630)	(27,132)
Income tax expense	(6)	(6)
Other comprehensive loss
Foreign currency translation adjustment	(209)	(217)
Comprehensive loss	(15,845)	(27,355)
Parent Company Financial Statements
Equity in subsidiary losses	(10,272)	(22,669)
Selling, general and administrative expenses	4,818	3,910
Operating loss	(15,090)	(26,579)
Other expense
Interest expense	278	179
Other income (expense)	262	374
Loss before income taxes	(15,630)	(27,132)
Income tax expense	6	6
Net loss	(15,636)	(27,138)
Other comprehensive loss
Foreign currency translation adjustment	(209)	(217)
Comprehensive loss	$ (15,845)	$ (27,355)

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