STATEMENTS OF EXPENSES (USD $)	3 Months Ended		9 Months Ended		105 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011
Research and development	$ 654,772	$ 625,282	$ 2,194,141	$ 2,193,919	$ 69,032,978
General and administrative	584,794	626,697	1,737,686	1,706,546	26,940,492
Depreciation and amortization	56,888	37,647	157,254	136,022	1,293,483
Loss on disposal of assets	413		413		500,975
Operating loss	(1,296,867)	(1,289,626)	(4,089,494)	(4,036,487)	(97,767,928)
Interest income	227	815	698	1,395	1,358,183
Other income and expense, net					661,146
Gain on extinguishment of debt					1,612,440
Gain (loss) on derivative instruments					1,388,848
Gain on sale of technology					3,000,000
Interest expense	(638)	(2,004)	(2,643)	(499,200)	(9,056,467)
Net loss	$ (1,297,278)	$ (1,290,815)	$ (4,091,439)	$ (4,534,292)	$ (98,803,778)
Basic and diluted loss per share	$ (0.06)	$ (0.07)	$ (0.18)	$ (0.27)
Weighted average shares outstanding	23,048,488	18,421,600	22,358,611	16,601,503