Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Operating expenses:
Research and development	$ 3,137,553	$ 1,743,494	$ 6,845,203	$ 4,961,720
General and administrative	2,112,375	1,290,371	4,964,440	3,559,551
Depreciation	24,192	18,178	78,233	70,840
Loss from operations	(5,274,120)	(3,052,043)	(11,887,876)	(8,592,111)
Other income:
Interest income	29,233	21,991	89,246	59,596
Loss from operations before income tax benefit	(5,244,887)	(3,030,052)	(11,798,630)	(8,532,515)
Income tax benefit	805,676	225,960	1,675,381	485,216
Net loss	(4,439,211)	(2,804,092)	(10,123,249)	(8,047,299)
Deemed dividend arising from warrant exchange			(1,950,378)
Net loss attributable to common stockholders	$ (4,439,211)	$ (2,804,092)	$ (12,073,627)	$ (8,047,299)
Per share information:
Net loss per share of common stock, basic and diluted (in dollars per share)	$ (0.07)	$ (0.60)	$ (0.24)	$ (2.01)
Weighted average shares outstanding, basic and diluted (in dollars per share)	$ 64,011,342	$ 4,693,290	$ 50,216,239	$ 4,005,919