Consolidated Statements of Operations and Comprehensive Loss (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Revenue:
Net product revenue	$ 0	$ 6,485
Contract revenue	4,181	0
Service and other product revenue	433	904
Total revenue	4,614	7,389
Operating expenses:
Cost of sales	0	3,333
Cost of contract manufacturing	3,923	0
Royalty expense	72	267
Research and development	5,150	2,541
Selling, general and administrative	6,268	12,528
Change in fair value of contingent purchase consideration	(1,000)	0
Total operating expenses	14,413	18,669
Loss from operations	(9,799)	(11,280)
Other income (expense):
Interest income	5	6
Interest expense	(648)	(1,886)
Change in fair value of warrant liabilities	410	8,269
Change in fair value of embedded derivatives	0	(14)
Other income (expense)	(120)	(47)
Total other income (expense)	(353)	6,328
Net loss before income taxes	(10,152)	(4,952)
Provision for income taxes	(13)	0
Net loss from continuing operations	(10,165)	(4,952)
Loss from discontinued operations, net of applicable tax	(12,696)	(15,980)
Net loss	(22,861)	(20,932)
Basic net loss per share:
Continuing operations, usd per share	$ (0.07)	$ (0.04)
Discontinued operations, usd per share	$ (0.08)	$ (0.11)
Total, usd per share	$ (0.15)	$ (0.15)
Diluted net loss per share:
Continuing operations, usd per share	$ (0.07)	$ (0.09)
Discontinued operations, usd per share	$ (0.08)	$ (0.11)
Net income (loss) per share, diluted, usd per share	$ (0.15)	$ (0.20)
Weighted average common shares outstanding, basic	153,362	139,309
Weighted average common shares outstanding, diluted	153,362	145,323
Comprehensive loss	$ (22,861)	$ (20,932)