Condensed Statements of Operations (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenue:
Product sales	$ 1,293,613	$ 646,173	$ 1,939,760	$ 1,293,488
Royalties	146,606	405,029	495,350	919,226
Licensing revenue	262,689	705,162	525,378	1,267,851
Development fees and other	484,296	239,649	649,924	478,623
Tarsa revenue	550,328	473,039	878,403	635,673
	2,737,532	2,469,052	4,488,815	4,594,861
Operating expenses:
Research and development	1,379,374	2,098,159	2,638,033	4,519,287
Cost of goods sold	452,072	270,642	698,430	535,540
General and administrative	2,164,596	2,321,237	4,258,016	4,644,895
Unallocated facility expenses	678,286	849,116	1,537,399	1,599,173
	4,674,328	5,539,154	9,131,878	11,298,895
Operating loss	(1,936,796)	(3,070,102)	(4,643,063)	(6,704,034)
Other income (expense):
Gain (loss) on change in fair value of embedded conversion feature	(5,430,000)	10,670,000	(2,510,000)	(15,770,000)
Interest and other income	2,584	23,359	83,018	51,054
Interest expense	(3,281,755)	(2,689,702)	(6,148,758)	(5,128,242)
Loss from investment in former China joint venture	(600,000)	(1,073,071)	(600,000)	(1,375,926)
Loss from investment in Tarsa		(1,518,000)	(650,571)	(1,518,000)
Income (loss) before income taxes	(11,245,967)	2,342,484	(14,469,374)	(30,445,148)
Income tax benefit from refund of federal tax credits			26,758
Net income (loss)	$ (11,245,967)	$ 2,342,484	$ (14,442,616)	$ (30,445,148)
Net income (loss) per share – basic (in Dollars per share)	$ (0.12)	$ 0.03	$ (0.15)	$ (0.33)
Net income (loss) per share – diluted (in Dollars per share)	$ (0.12)	$ 0.02	$ (0.15)	$ (0.33)
Weighted average number of shares outstanding - basic (in Shares)	95,361,740	92,534,316	95,338,282	92,497,652
Weighted average number of shares outstanding - diluted (in Shares)	95,361,740	95,176,397	95,338,282	92,497,652