STATEMENTS OF EXPENSES (USD $)	3 Months Ended		110 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012
Research and development	$ 1,490,097	$ 685,161	$ 71,668,972
General and administrative	816,196	592,058	28,425,271
Depreciation and amortization	67,355	29,634	1,413,836
Loss on disposal of assets			510,248
Operating loss	(2,373,648)	(1,306,853)	(102,018,327)
Interest income	136	211	1,358,553
Other income, net			661,146
Gain on extinguishment of debt			1,612,440
Gain on derivative instruments			1,388,848
Gain on sale of technology			3,000,000
Interest expense	(487)	(1,135)	(9,057,446)
Net loss	$ (2,373,999)	$ (1,307,777)	$ (103,054,786)
Basic and diluted loss per share	$ (0.10)	$ (0.06)
Weighted average shares outstanding	23,048,488	20,955,860