Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Grant and collaboration revenues	$ 221,299	$ 295,735
Operating expenses:
Research and development	486,994	551,795
General and administrative	357,228	292,667
Total operating expenses	844,222	844,462
Loss from operations	(622,923)	(548,727)
Other income (expense):
Interest income	1,318	386
Interest expense	(208)
Total other income (expense)	1,110	386
Net loss	$ (621,813)	$ (548,341)
Basic and diluted:
Net loss per common share (in dollars per share)	$ (0.01)	$ (0.01)
Weighted average shares outstanding (in shares)	124,170,143	55,350,974

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