Consolidated Condensed Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Consolidated Condensed Statements Of Comprehensive Income Loss
Net loss	$ (1,216)	$ (299)	$ (3,621)	$ (1,093)
Foreign currency translation adjustments	423	422	(32)	515
Unrealized gain (loss) on investments	(985)	1,495	(3,000)	(3,057)
Other comprehensive income (loss)	(562)	1,917	(3,032)	(2,542)
Comprehensive income (loss)	$ (1,778)	$ 1,618	$ (6,653)	$ (3,635)