CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2015		Sep. 30, 2014		Sep. 30, 2015	Sep. 30, 2014
Income Statement [Abstract]
Net revenue (A)	$ 30,823		$ 34,157	[1]	$ 95,374	$ 120,706
Cost of revenue (B)	18,090	[2]	18,928	[2]	54,469	58,500
Extinguishment of liability	0		0		0	(10,580)
Gross profit	12,733		15,229		40,905	72,786
Operating expenses:
Research and development	10,501		12,784		34,681	40,110
Sales and marketing	11,938		13,283		38,822	51,022
General and administrative	7,021		7,723		21,312	25,617
Restructuring and other charges	3,114		2,048		5,563	3,805
Lease exit and related charges	2,121		154		2,208	703
Total operating expenses	34,695		35,992		102,586	121,257
Operating income (loss)	(21,962)		(20,763)		(61,681)	(48,471)
Other income (expenses):
Interest income, net	147		80		597	396
Gain (loss) on investments, net	(615)		0		(222)	2,371
Equity in net loss of Rhapsody	(735)		(1,530)		(13,831)	(4,170)
Other income (expense), net	297		325		628	153
Total other income (expenses), net	(906)		(1,125)		(12,828)	(1,250)
Income (loss) before income taxes	(22,868)		(21,888)		(74,509)	(49,721)
Income tax expense (benefit)	(1,684)		290		(1,075)	1,256
Net income (loss)	$ (21,184)		$ (22,178)		$ (73,434)	$ (50,977)
Basic net income (loss) per share (USD per share)	$ (0.59)		$ (0.62)		$ (2.03)	$ (1.42)
Diluted net income (loss) per share (USD per share)	$ (0.59)		$ (0.62)		$ (2.03)	$ (1.42)
Shares used to compute basic net income (loss) per share (shares)	36,191		36,003		36,134	35,912
Shares used to compute diluted net income (loss) per share (shares)	36,191		36,003		36,134	35,912
Comprehensive income (loss):
Unrealized investment holding gains (losses), net of reclassification adjustments	$ (596)		$ (323)		$ (881)	$ (3,936)
Foreign currency translation adjustments, net of reclassification adjustments	(1,144)		(2,338)		(3,141)	(2,147)
Total other comprehensive income (loss)	(1,740)		(2,661)		(4,022)	(6,083)
Net income (loss)	(21,184)		(22,178)		(73,434)	(50,977)
Comprehensive income (loss)	$ (22,924)		$ (24,839)		$ (77,456)	$ (57,060)

[1] Quarters ended September 30, 2015 quarter ended September 30, 2015Components of Revenue License Fees7,049 5,925Service Revenue23,774 28,232Net Revenue30,823 34,157 9 months ended September 30, 2015 September 30, 2014Components of Revenue License Fees$21,259 $21,168Service Revenue74,115 99,538Net Revenue$95,374 $120,706

[2] Components of Cost of RevenueSeptember 30, 2015 September 30, 2014 License Fees1,877 2,044 Service Revenue16,213 16,884 Net Revenue Costs18,090 18,928 9 months ended September 30, 2015 September 30, 2014Components of Cost of Revenue License Fees$5,048 $6,426Service Revenue49,421 52,074Net Revenue Costs$54,469 $58,500