Condensed Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended		129 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012
Grant revenue	$ 854,063	$ 893,002	$ 21,165,755
Operating expenses:
Research and development	1,072,354	838,467	26,703,030
General and administrative	512,818	661,813	18,160,477
Total operating expenses	1,585,172	1,500,280	44,863,507
Loss from operations	(731,109)	(607,278)	(23,697,752)
Other income (expense):
Interest income	596	996	340,906
Interest expense			(5,669)
Total other income	596	996	335,237
Net loss	$ (730,513)	$ (606,282)	$ (23,362,515)
Basic and diluted:
Loss per common share (in Dollars per share)	$ (0.04)	$ (0.04)	$ (2.15)
Weighted average shares outstanding (in Shares)	16,716,566	15,651,308	10,857,574