Other Income and Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Other Income And Expense [Line Items]
Interest income	$ 12	$ 138
Interest expense	(248)	(127)
Gain on foreign currency transactions	38	214
Other income	25	2
Total other (expense) income, net	$ (173)	$ 227