Condensed Consolidated Statements of Comprehensive Loss (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Net loss	$ (12,240)	[1],[2],[3]	$ (11,608)
Foreign currency translation adjustments	172	[2]	125
Unrealized gain (loss) on investments, net of tax of $0	(19)	[2]	296
Comprehensive loss	$ (12,087)	[2]	$ (11,187)

[1] Restated and Revised, see Note 2

[2] Restated and Revised, see Note 2

[3] Restated and Revised, see Note 2