CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012		Mar. 31, 2011
Components of net revenue:
License fees	$ 14,956		$ 18,414
Service revenue	52,008		68,887
Net revenue	66,964	[1]	87,301	[1]
Components of cost of revenue:
License fees	3,272		5,246
Service revenue	24,155		26,820
Cost of revenue	$ 27,427	[2]	$ 32,066	[2]

[1] Components of net revenue: License fees $ 14,956 $ 18,414 Service revenue 52,008 68,887 $ 66,964 $ 87,301

[2] Components of cost of revenue: License fees $ 3,272 $ 5,246 Service revenue 24,155 26,820 $ 27,427 $ 32,066