Other Income (Expense) - Details (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Other Income And Expenses [Abstract]
Licenses Revenue	$ 298	$ 265
Foreign Currency Transaction Gain (Loss), Realized	(799)	33
Other Nonoperating Income	83	97
Other Nonoperating Expense	(55)	(49)
Other Income, Net	$ (473)	$ 346