CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net (loss) income	$ (2,267)	$ 2,273	$ 1,790	$ 7,004
Other comprehensive income (loss), net of tax:
Unrealized (loss) gain on securities, net of tax	(25)	42	47	26
Foreign currency translation adjustments	(1,341)	476	(67)	1,764
Total other comprehensive (loss) income	(1,366)	518	(20)	1,790
Comprehensive (loss) income	$ (3,633)	$ 2,791	$ 1,770	$ 8,794