Condensed Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended		6 Months Ended		121 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011
Grant revenue	$ 1,753,033	$ 1,737,169	$ 2,646,035	$ 3,075,729	$ 18,057,842
Operating expenses:
Research and development	1,385,452	1,741,966	2,223,919	3,111,151	23,578,220
General and administrative	579,380	935,868	1,241,193	1,604,689	15,916,297
Total operating expenses	1,964,832	2,677,834	3,465,112	4,715,840	39,494,517
Loss from operations	(211,799)	(940,665)	(819,077)	(1,640,111)	(21,436,675)
Other income (expense):
Interest income	455	7,576	1,451	16,233	339,542
Interest expense					(5,669)
Total other income (expense)	455	7,576	1,451	16,233	333,873
Net loss	$ (211,344)	$ (933,089)	$ (817,626)	$ (1,623,878)	$ (21,102,802)
Basic and diluted:
Loss per common share (in Dollars per share)	$ (0.01)	$ (0.06)	$ (0.05)	$ (0.10)	$ (2.02)
Weighted average shares outstanding (in Shares)	15,714,932	15,653,380	15,686,112	15,647,712	10,422,105