Statements Of Operations (USD $) In Thousands, except Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenue:
Net product sales	$ 13,215	$ 8,230	$ 35,051	$ 23,522
License and other revenue	980		29,107
Total revenue	14,195	8,230	64,158	23,522
Operating costs and expenses:
Cost of sales, excluding amortization expense	1,230	889	3,217	2,330
Cost of license and other revenue	437		11,008
Research and development	4,996	7,249	17,567	23,056
Selling, general and administrative	18,688	18,702	56,398	57,151
Amortization of intangible asset	113	113	340	340
Total operating costs and expenses	25,464	26,953	88,530	82,877
Operating loss	(11,269)	(18,723)	(24,372)	(59,355)
Interest and other income, net	14	(129)	74	2
Loss before income taxes	(11,255)	(18,852)	(24,298)	(59,353)
Income tax benefit	7	78	7	78
Net loss	$ (11,248)	$ (18,774)	$ (24,291)	$ (59,275)
Net loss per share: basic and diluted	$ (0.11)	$ (0.18)	$ (0.23)	$ (0.56)
Weighted average shares: basic and diluted	105,677,687	105,320,554	105,604,438	105,039,263