Other Income (Expense) - (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2003
Other Income And Expenses [Abstract]
Change in Fair Value Estimate	$ 0	$ 0	$ 0	$ (675)
Licenses Revenue	181	168	736	716
Foreign Currency Transaction Gain (Loss), Realized	160	(635)	(824)	(840)
Gain (Loss) On Disposition Of Assets	25	29	130	267
Proceeds From Non Income Tax Refunds	531	0	531	2,669
Impairment of Long-Lived Assets Held-for-Use	0	(211)	0	(211)
Other Nonoperating Income	88	27	152	193
Other Nonoperating Expense	(71)	(63)	(167)	(157)	(2,000)
Other Income, Net	$ 914	$ (685)	$ 558	$ 1,962