Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating expenses:
Research and development	$ 70,244,579	$ 53,647,067	$ 23,495,055
General and administrative	28,896,749	13,598,030	9,351,522
Total operating expenses	99,141,328	67,245,097	32,846,577
Loss from operations	(99,141,328)	(67,245,097)	(32,846,577)
Interest and amortization of debt discount expense	(2,565,838)	(1,239,537)	(1,127,305)
Tax credit	53,578	139,448	217,418
Change in fair value of warrant liability			2,791,000
Loss on extinguishment of debt	(1,247,012)
Net loss	$ (102,900,600)	$ (68,345,186)	$ (30,965,464)
Net loss per common share, basic and diluted	$ (2.77)	$ (2.01)	$ (1.15)
Weighted average common shares outstanding, basic and diluted	37,206,928	34,020,257	26,883,656