CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating activities
Net loss	$ (2,083,816)	$ (1,522,076)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation, amortization and impairment	4,233	114,707
Equity-based compensation expense	38,409	35,407
Change in fair value of warrant liability	(283,070)	0
Changes in operating assets and liabilities:
Grants receivable	(591,129)	0
Prepaid expenses and other current assets	298,959	30,743
Accounts payable	(911,301)	589,700
Accrued expenses and other current liabilities	361,382	(462,816)
Due to/from related party	0	1,256
Deferred revenue	(541,701)	(655,634)
Net cash used in operating activities	(3,708,034)	(1,868,713)
Financing activities
Proceeds from issuance of equity securities, net	9,865,727	1,508,179
Payments on note payable	(249,653)	0
Net cash provided by financing activities	9,616,074	1,508,179
Net increase (decrease) in cash, cash equivalents and restricted cash	5,908,040	(360,534)
Cash, cash equivalents and restricted cash at beginning of period	3,738,900	6,131,781
Cash, cash equivalents and restricted cash at end of period	9,646,940	5,771,247
Supplemental disclosure of cash flow information:
Cash paid for interest	3,061	0
Non-cash investing and financing activities:
Accrued issuance costs for public offering	398,561	0
Issuance of shares for license	0	110,474
Conversion of liabilities to equity	$ 0	$ 2,869,412