CONDENSED 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
Revenues:
Product sales	$ 9,205	$ 9,829	$ 40,669	$ 34,086
Royalties	2,179	75	2,412	254
License and collaborative revenue	5,138	10,223	77,760	25,565
Total revenues	16,522	20,127	120,841	59,905
Costs and expenses:
Cost of sales	1,150	2,499	4,925	6,961
Research and development expense	3,208	4,602	12,405	14,360
Selling, general and administrative expense:
Promotion fee expense	6,023	6,791	27,339	23,769
Other selling, general and administrative expense	15,451	4,313	32,667	12,403
Total selling, general and administrative expense	21,474	11,104	60,006	36,172
Gain on settlement agreement	0	0	(40,000)	0
Total costs and expenses	25,832	18,205	37,336	57,493
Income (loss) from operations	(9,310)	1,922	83,505	2,412
Other income (expense):
Interest and other income	410	100	846	251
Interest expense	(24)	(130)	(133)	(471)
Total other income (expense)	386	(30)	713	(220)
Net income (loss) before income taxes	(8,924)	1,892	84,218	2,192
Benefit from (Provision for) income taxes	348	(1)	345	(4)
Net income (loss)	$ (8,576)	$ 1,891	$ 84,563	$ 2,188
Basic net income (loss) per common share	$ (0.15)	$ 0.04	$ 1.56	$ 0.04
Diluted net income (loss) per common share	$ (0.15)	$ 0.04	$ 1.51	$ 0.04
Shares used in computing basic net income (loss) per common share	55,371,954	52,595,214	54,267,829	52,444,627
Shares used in computing diluted net income (loss) per common share	55,371,954	53,306,449	56,071,870	53,061,251