Other Income (Expense) - (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Other Income And Expenses [Abstract]
Licenses Revenue	$ 204	$ 257	$ 458	$ 555
Foreign Currency Transaction Gain (Loss), Realized	(305)	(185)	(899)	(984)
Gain on Fixed Asset Disposals, Net	3	60	55	105
Proceeds From Non Income Tax Refunds	0	0	69	0
Other Nonoperating Income	54	32	126	69
Other Nonoperating Expense	(44)	(47)	(91)	(101)
Other (Expense) Income, Net	$ (88)	$ 117	$ (282)	$ (356)