CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Revenue:
Royalty revenue from a related party, net of intangible assets amortization: three months-2014-$2,598; 2013-$0; six months-2014-$4,378; 2013-$0 (Note 3)	$ 663	[1]	$ 0	[1]	$ (387)	[1]	$ 0	[1]
Net revenue from collaborative arrangements from a related party	271		1,322		541		2,644
Total net revenue	934		1,322		154		2,644
Operating expenses:
Research and development	2,125		2,412		4,812		4,451
General and administrative	8,603		5,808		19,859		11,864
Total operating expenses	10,728		8,220		24,671		16,315
Loss from operations	(9,794)		(6,898)		(24,517)		(13,671)
Other income (expense), net	83		8,192		80		6,770
Interest income	165		190		353		375
Interest expense	(10,327)		(3,025)		(11,971)		(5,761)
Loss from continuing operations before income taxes	(19,873)		(1,541)		(36,055)		(12,287)
Income tax expense	(278)		0		(278)		0
Loss from continuing operations, net of tax	(20,151)		(1,541)		(36,333)		(12,287)
Loss from discontinued operations (Notes 11 and 12):	(43,413)		(34,888)		(94,934)		(61,502)
Net loss	(63,564)		(36,429)		(131,267)		(73,789)
Basic and diluted net loss per share:
Continuing operations, net of tax (in dollars per share)	$ (0.18)		$ (0.02)		$ (0.33)		$ (0.13)
Discontinued operations (in dollars per share)	$ (0.39)		$ (0.35)		$ (0.86)		$ (0.63)
Basic and diluted net loss per share (in dollars per share)	$ (0.57)		$ (0.37)		$ (1.19)		$ (0.76)
Shares used to compute basic and diluted net loss per share (in shares)	110,974		97,603		110,419		96,964
Gross royalty revenue from related party	$ 3,261		$ 0		$ 3,991		$ 0

[1] Gross royalty revenue from a related party for the three and six months ended June 30, 2014 is $3,261 and $3,991, respectively.