Condensed Consolidated Statements Of Operations (USD $)	3 Months Ended		99 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012 Since Inception [Member]
Revenues
Product sales	$ 20,478	$ 0	$ 20,478
Grant revenues	0	0	1,623,160
Total revenues	20,478	0	1,643,638
Cost of goods sold	5,455	0	5,455
Gross profit	15,023	0	1,638,183
Operating expenses
Research and development	1,164,599	491,574	42,550,006
Selling, general and administrative	1,509,761	1,287,885	38,946,373
Total operating expenses	2,674,360	1,779,459	81,496,379
Loss from operations	(2,659,337)	(1,779,459)	(79,858,196)
Change in fair value of derivative liabilities	64,157	88,170	10,395,709
Gain on warrant exchange	0	0	473,872
Interest income	2,539	5,262	1,579,582
Interest expense	(1,395)	(2,613)	(7,123,401)
Net loss from continuing operations	(2,594,036)	(1,688,640)	(74,532,434)
Net loss from discontinued operations	0	0	(22,561,220)
Gain on sale of business unit	0	0	6,408,603
Net loss	$ (2,594,036)	$ (1,688,640)	$ (90,685,051)
Basic and diluted net loss per share	$ (0.02)	$ (0.02)
Weighted average common shares outstanding	109,279,152	83,097,967