Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenue:
Net product revenue	$ 8,835	$ 5,710	$ 24,986	$ 11,828
Contract revenue	1,563	1,348	4,688	2,810
Total revenue	10,398	7,058	29,674	14,638
Operating expenses:
Cost of sales	5,482	2,932	14,333	8,233
Royalty expense	343	216	972	598
Research and development	10,134	8,004	27,540	19,394
Selling, general and administrative	14,701	12,540	42,642	37,962
Total operating expenses	30,660	23,692	85,487	66,187
Loss from operations	(20,262)	(16,634)	(55,813)	(51,549)
Other income (expense):
Interest income	2	1	21	4
Interest expense	(2,470)	(5,426)	(4,984)	(6,938)
Change in fair value of warrant liability	546	187	546	(12,833)
Change in fair value of embedded derivatives	137	0	137	0
Other income (expense)	16	(253)	(86)	(113)
Total other income (expense)	(1,769)	(5,491)	(4,366)	(19,880)
Net loss before income taxes	(22,031)	(22,125)	(60,179)	(71,429)
Provision for income taxes	(7)	0	(20)	0
Net loss	$ (22,038)	$ (22,125)	$ (60,199)	$ (71,429)
Net loss per share, basic and diluted	$ (0.59)	$ (16.00)	$ (1.71)	$ (53.31)
Weighted average shares outstanding, basic and diluted	37,320	1,383	35,127	1,340