CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Royalty revenue from a related party, net of amortization for capitalized fees paid to a related party of $3,455 and $3,233 for the three months ended September 30, 2015 and 2014 and $10,367 and $7,611 for the nine months ended september 30, 2015 and 2014	$ 13,341	$ 729	$ 30,449	$ 342
Revenue from collaborative arrangements from a related party, net	221	270	664	811
Total net revenue	13,562	999	31,113	1,153
Operating expenses:
Research and development	547	1,909	1,897	6,721
General and administrative	4,581	8,632	14,929	28,491
Total operating expenses	5,128	10,541	16,826	35,212
Income (loss) from operations	8,434	(9,542)	14,287	(34,059)
Other income (expense), net	(45)	255	1,117	335
Interest income	90	93	291	446
Interest expense	(13,063)	(12,355)	(38,756)	(24,326)
Loss from continuing operations before income taxes	(4,584)	(21,549)	(23,061)	(57,604)
Income tax expense (benefit)	0	(278)	0	0
Loss from continuing operations, net of tax	(4,584)	(21,271)	(23,061)	(57,604)
Loss from discontinued operations (Notes 1 and 11)	0	0	0	(94,934)
Net loss	$ (4,584)	$ (21,271)	$ (23,061)	$ (152,538)
Basic and diluted net loss per share:
Continuing operations, net of tax (in dollars per share)	$ (0.04)	$ (0.19)	$ (0.20)	$ (0.52)
Discontinued operations (in dollars per share)	0.00	0.00	0.00	(0.85)
Basic and diluted net loss per share (in dollars per share)	(0.04)	(0.19)	(0.20)	(1.37)
Cash dividends declared per common share (in dollars per share)	$ 0.25	$ 0.25	$ 0.75	$ 0.25
Shares used to compute basic and diluted net loss per share (in shares)	115,787	113,100	115,381	111,306