Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Grant and collaboration revenue	$ 93,265	$ 352,137	$ 314,564	$ 647,872
Operating expenses:
Research and development	372,202	518,098	859,196	1,069,893
General and administrative	359,197	352,191	716,425	644,858
Total operating expenses	731,399	870,289	1,575,621	1,714,751
Loss from operations	(638,134)	(518,152)	(1,261,057)	(1,066,879)
Other income (expense):
Interest income	1,716	1,271	3,034	1,657
Interest expense	(625)		(833)
Total other income (expense)	1,091	1,271	2,201	1,657
Net loss	$ (637,043)	$ (516,881)	$ (1,258,856)	$ (1,065,222)
Basic and diluted:
Loss per common share (in dollars per share)	$ 0	$ (0.01)	$ (0.01)	$ (0.02)
Weighted averages shares outstanding (in shares)	155,209,337	59,791,475	139,775,484	57,583,491