CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Components of net revenue:
License fees	$ 28,308		$ 43,709		$ 56,640
Service revenue	127,904		162,487		202,202
Net revenue	156,212	[1]	206,196	[1]	258,842	[1]
Components of cost of revenue:
License fees	8,012		8,538		11,689
Service revenue	68,369		70,553		92,042
Cost of revenue	$ 76,381	[2]	$ 79,091	[2]	$ 103,731	[2]

[1] December 31, 2012 December 31, 2011 December 31, 2010Components of Cost of Revenue License Fees8,012 8,538 11,689Service Revenue68,369 70,553 92,042Net Revenue Costs76,381 79,091 103,731

[2] December 31, 2013 December 31, 2012 December 31, 2011Components of Revenue License Fees28,308 43,709 56,640Service Revenue127,904 162,487 202,202Net Revenue156,212 206,196 258,842