Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Grant and collaboration revenues	$ 364,232	$ 221,299
Operating expenses:
Research and development	555,718	486,994
General and administrative	510,064	357,228
Total operating expenses	1,065,782	844,222
Loss from operations	(701,550)	(622,923)
Other income (expense):
Interest income	1,224	1,318
Interest expense	(1,128)	(208)
Total other income (expense)	96	1,110
Net loss	$ (701,454)	$ (621,813)
Basic and diluted:
Net loss per common share (in dollars per share)	$ (1.43)	$ (2.50)
Weighted average shares outstanding (in shares)	491,707	248,340