Quarterly Information (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended																12 Months Ended
	Dec. 31, 2015		Sep. 30, 2015		Jun. 30, 2015		Mar. 31, 2015	[1]	Dec. 31, 2014		Sep. 30, 2014		Jun. 30, 2014		Mar. 31, 2014	[1]	Dec. 31, 2015		Dec. 31, 2014		Dec. 31, 2013
Quarterly Financial Information Disclosure [Abstract]
Net revenue	$ 29,922		$ 30,823		$ 33,954		$ 30,597		$ 35,506		$ 34,157		$ 40,825		$ 45,724		$ 125,296	[2]	$ 156,212	[2]	$ 206,196	[2]
Gross profit	14,094		12,733		14,122		14,050		17,625		15,229		20,039		37,518		54,999		90,411		127,105
Operating (loss) income	(7,506)		(21,962)		(20,707)		(19,012)		(20,682)		(20,763)		(18,832)		(8,876)		(69,187)		(69,153)		(70,808)
Net income (loss)	$ (8,413)		$ (21,184)		$ (27,781)		$ (24,469)		$ (20,838)		$ (22,178)		$ (21,029)		$ (7,770)		$ (81,847)		$ (71,815)		$ (58,990)
Basic net income (loss) (in dollars per share)	$ (0.23)	[3]	$ (0.59)	[3]	$ (0.77)	[3]	$ (0.68)	[3]	$ (0.58)	[3]	$ (0.62)	[3]	$ (0.59)	[3]	$ (0.22)	[3]	$ (2.26)	[3]	$ (2.00)	[3]	$ (1.66)
Diluted net income (loss) (in dollars per share)	$ (0.23)	[3]	$ (0.59)	[3]	$ (0.77)	[3]	$ (0.68)	[3]	$ (0.58)	[3]	$ (0.62)	[3]	$ (0.59)	[3]	$ (0.22)	[3]	$ (2.26)	[3]	$ (2.00)	[3]	$ (1.66)
Extinguishment of liability																	$ 0		$ 10,580		$ 0

[1] In the quarter ended March 31, 2014, certain accrued royalty liabilities of $10.6 million associated with our historical music business, which had originally been recorded based on statutory rates, were extinguished.

[2] December 31, 2013 December 31, 2012 December 31, 2011Components of Revenue License Fees28,422 28,308 43,709Service Revenue96,874 127,904 162,487Net Revenue125,296 156,212 206,196

[3] The sum of the quarterly net income per share amounts will not necessarily equal net income per share for the year due to the use of weighted average quarterly shares and the effects of rounding.