Other Income (Expense) - (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Other Income And Expenses [Abstract]
Licenses Revenue	$ 254,000	$ 298,000
Foreign Currency Transaction Gain (Loss), Realized	(594,000)	(799,000)
Gain (Loss) On Disposition Of Assets	52,000	45,000
Proceeds From Non Income Tax Refunds	69,000	0
Other Nonoperating Income	72,000	38,000
Other Nonoperating Expense	(47,000)	(55,000)
Other Income (Expense), Net	$ (194,000)	$ (473,000)