CONSOLIDATED STATEMENTS OF EXPENSES (USD $)	3 Months Ended		9 Months Ended		116 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012
Research and development	$ 1,455,938	$ 654,772	$ 4,504,243	$ 2,194,141	$ 74,683,118
General and administrative	532,474	584,794	1,878,236	1,737,686	29,487,311
Depreciation and amortization	81,514	56,888	225,365	157,254	1,571,846
Loss on disposal of assets		413		413	510,248
Operating loss	(2,069,926)	(1,296,867)	(6,607,844)	(4,089,494)	(106,252,523)
Interest income	61	227	256	698	1,358,673
Other income, net					661,146
Gain on extinguishment of debt					1,612,440
Gain (loss) on derivative instruments	(136,889)		(136,889)		1,251,959
Gain on sale of technology					3,000,000
Interest expense	(151,029)	(638)	(152,002)	(2,643)	(9,208,961)
Net loss	$ (2,357,783)	$ (1,297,278)	$ (6,896,479)	$ (4,091,439)	$ (107,577,266)
Basic and diluted loss per share	$ (0.10)	$ (0.06)	$ (0.30)	$ (0.18)
Weighted average shares outstanding	23,048,488	23,048,488	23,048,488	22,358,611