Other Income (Expense) - (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Other Income And Expenses [Abstract]
Income From Third Party License Fees	$ 272	$ 254
Foreign Exchange Gains (Losses), Net	312	(594)
Gain on Fixed Asset Disposals, Net	5	52
Non-Income Tax Refunds and Other Related Credits	21	69
Other Nonoperating Income	124	72
Other Nonoperating Expense	(28)	(47)
Other Income (Expense), Net	$ 706	$ (194)