Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Grant revenue	$ 47,600	$ 103,424
Operating expenses:
Research and development	438,004	403,629
General and administrative	906,505	401,441
Total operating expenses	1,344,509	805,070
Loss from operations	(1,296,909)	(701,646)
Other income:
Interest income	630	1,192
Net loss	$ (1,296,279)	$ (700,454)
Basic and diluted:
Loss per common share (in dollars per share)	$ (0.04)	$ (0.02)
Weighted average shares outstanding (in shares)	34,599,625	31,950,813