Consolidated Statements of Operations and Comprehensive Loss (USD $) Share data 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:
Net product revenue	$ 5,780,000	$ 8,903,000	$ 12,550,000	$ 15,797,000
Contract revenue	2,238,000	0	2,238,000	0
Service and other revenue	1,143,000	39,000	2,048,000	127,000
Total revenue	9,161,000	8,942,000	16,836,000	15,924,000
Operating expenses:
Cost of sales	2,375,000	4,630,000	5,756,000	8,789,000
Cost of contract manufacturing	1,935,000	0	1,935,000	0
Royalty expense	435,000	338,000	798,000	620,000
Research and development	4,120,000	3,577,000	7,657,000	6,814,000
Selling, general and administrative	24,490,000	12,000,000	52,143,000	26,482,000
Restructuring	0	876,000	0	876,000
Impairment of long-lived assets	838,000	0	838,000	0
Net gain on sale of business	(79,980,000)	0	(79,980,000)	0
Total operating expenses	(45,787,000)	21,421,000	(10,853,000)	43,581,000
Loss from operations	54,948,000	(12,479,000)	27,689,000	(27,657,000)
Other income (expense):
Interest income	6,000	3,000	12,000	11,000
Interest expense	(1,029,000)	(1,595,000)	(2,915,000)	(3,208,000)
Loss on early extinguishment of debt	(1,254,000)	0	(1,254,000)	0
Change in fair value of warrant liabilities	10,201,000	1,264,000	18,470,000	(2,995,000)
Change in fair value of embedded derivatives	0	(480,000)	(14,000)	(562,000)
Other income (expense)	(7,000)	(45,000)	(55,000)	22,000
Total other income (expense)	7,917,000	(853,000)	14,244,000	(6,732,000)
Net loss before income taxes	62,865,000	(13,332,000)	41,933,000	(34,389,000)
Provision for income taxes	0	0	0	0
Net loss	62,865,000	(13,332,000)	41,933,000	(34,389,000)
Net income (loss) per share, basic, usd per share	$ 0.45	$ (0.13)	$ 0.30	$ (0.34)
Net income (loss) per share, diluted, usd per share	$ 0.45	$ (0.13)	$ 0.16	$ (0.34)
Weighted average common shares outstanding, basic	139,985	100,876	139,635	100,843
Weighted average common shares outstanding, diluted	139,985	100,876	142,772	100,843
Comprehensive loss	$ 62,865,000	$ (13,332,000)	$ 41,933,000	$ (34,389,000)