Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Consolidated Statements of Comprehensive Income (Loss)
Net income (loss)	$ 4,186	$ (4,567)	$ (59,212)	$ 9,639
Other comprehensive income (loss), before tax:
Foreign currency translations adjustments	681	695	(125)	1,060
Unrealized gain (loss) on available for sale securities
Unrealized holding gain (loss) arising during period	29	32	(3)	33
Less: Reclassification adjustment for gains included in net income	0	0	0	0
Income tax expense (benefit)	10	11	(1)	12
Unrealized gain (loss) on available for sale securities, net of tax	19	21	(2)	21
Other comprehensive income (loss), net of tax	700	716	(127)	1,081
Comprehensive income (loss)	$ 4,886	$ (3,851)	$ (59,339)	$ 10,720