CONSOLIDATED STATEMENTS OF COMPREHENSIVE 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 LOSS
Net loss	$ (4,169)	$ (32,063)	$ (12,286)	$ (38,620)
Other comprehensive income (loss), net of tax:
Foreign currency translation gain (loss)	373	230	12	205
Unrealized gain on available-for-sale securities		5		23
Other comprehensive income (loss)	373	235	12	228
Comprehensive loss	$ (3,796)	$ (31,828)	$ (12,274)	$ (38,392)