Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Grant revenue	$ 71,474	$ 180,441	$ 174,898	$ 337,781
Operating expenses:
Research and development	384,653	516,202	788,282	919,062
General and administrative	364,889	344,862	766,330	716,664
Total operating expenses	749,542	861,064	1,554,612	1,635,726
Loss from operations	(678,068)	(680,623)	(1,379,714)	(1,297,945)
Other income:
Interest income	1,865	1,086	3,057	2,490
Net loss	$ (676,203)	$ (679,537)	$ (1,376,657)	$ (1,295,455)
Basic and diluted:
Loss per common share (in dollars per share)	$ (0.02)	$ (0.03)	$ (0.04)	$ (0.05)
Weighted averages shares outstanding (in shares)	31,950,813	25,075,729	31,950,813	24,921,376