10. Other Income and Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Other Income And Expense Details
Realized foreign exchange gain (loss)	$ 393	$ (17)	$ 552	$ 53
Government subsidy income	3	0	202	108
Other non-operating gain (loss)	20	(11)	29	16
Loss on disposal of assets	(3)	(27)	(13)	(29)
Total other income and expense	$ 413	$ (55)	$ 770	$ 148