Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenue:
Net product revenue	$ 8,674	$ 4,215	$ 16,151	$ 6,118
Contract revenue	1,563	920	3,126	1,461
Total revenue	10,237	5,135	19,277	7,579
Operating expenses:
Cost of sales	3,975	3,210	8,850	5,302
Royalty expense	333	310	630	382
Research and development	8,882	7,683	17,406	11,389
Selling, general and administrative	15,039	12,343	27,940	25,422
Total operating expenses	28,229	23,546	54,826	42,495
Loss from operations	(17,992)	(18,411)	(35,549)	(34,916)
Other income (expense):
Interest income	3	2	19	3
Interest expense	(1,261)	(929)	(2,515)	(1,511)
Change in fair value of warrant liability	0	(8,600)	0	(13,020)
Other income (expense)	79	99	(103)	139
Total other income (expense)	(1,179)	(9,428)	(2,599)	(14,389)
Net loss before income taxes	(19,171)	(27,839)	(38,148)	(49,305)
Provision for income taxes	(6)	0	(13)	0
Net loss	$ (19,177)	$ (27,839)	$ (38,161)	$ (49,305)
Net loss per share, basic and diluted	$ (0.56)	$ (20.65)	$ (1.12)	$ (37.44)
Weighted average shares outstanding, basic and diluted	34,018	1,348	34,015	1,317