Consolidated Condensed Statements of Comprehensive Loss (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Statement of Comprehensive Income [Abstract]
Net loss	$ (794)	$ (303)
Foreign currency translation adjustments	93	(1,381)
Unrealized loss on investments	(4,552)	(4,858)
Other comprehensive loss	(4,459)	(6,239)
Comprehensive loss	$ (5,253)	$ (6,542)