CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Income Statement [Abstract]
Net revenue (A)	[1]	$ 28,230	$ 30,597
Cost of revenue (B)	[2]	15,172	16,547
Gross profit		13,058	14,050
Operating expenses:
Research and development		9,319	12,379
Sales and marketing		9,225	12,837
General and administrative		8,077	7,283
Restructuring and other charges		385	485
Lease exit and related charges		831	78
Total operating expenses		27,837	33,062
Operating income (loss)		(14,779)	(19,012)
Other income (expenses):
Interest income, net		117	200
Gain (loss) on investments, net		3	299
Equity in net loss of Rhapsody investment		0	(6,180)
Other income (expense), net		(287)	443
Total other income (expenses), net		(167)	(5,238)
Income (loss) before income taxes		(14,946)	(24,250)
Income tax expense (benefit)		225	219
Net income (loss)		$ (15,171)	$ (24,469)
Basic net income (loss) per share (USD per share)		$ (0.42)	$ (0.68)
Diluted net income (loss) per share (USD per share)		$ (0.42)	$ (0.68)
Shares used to compute basic net income (loss) per share (shares)		36,520	36,104
Shares used to compute diluted net income (loss) per share (shares)		36,520	36,104
Comprehensive income (loss):
Unrealized investment holding gains (losses), net of reclassification adjustments		$ 151	$ (94)
Foreign currency translation adjustments, net of reclassification adjustments		700	(2,585)
Total other comprehensive income (loss)		851	(2,679)
Net income (loss)		(15,171)	(24,469)
Comprehensive income (loss)		$ (14,320)	$ (27,148)

[1] Quarters ended March 31, 2016 quarter ended March 31, 2016Components of Revenue License Fees5,777 7,289Service Revenue22,453 23,308Net Revenue28,230 30,597

[2] Components of Cost of RevenueMarch 31, 2016 March 31, 2015 License Fees1,304 1,743 Service Revenue13,868 14,804 Net Revenue Costs15,172 16,547