Consolidated Statements of Operations and Comprehensive Loss - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Revenues	$ 8,185,027	$ 5,801,401
Operating expenses:
Research and development	49,774,328	17,765,553
General and administrative	13,209,440	8,500,783
Impairment charge	0	1,000,000
Total operating expenses	62,983,768	27,266,336
Loss from operations	(54,798,741)	(21,464,935)
Other income (expense):
Changes in fair value of warrant liability		30,000
Interest expense	(9,421)	(2,244)
Interest income	322,514	843,409
Other income, net	24,147	15,139
Total other income, net	337,240	886,304
Net loss before income tax benefit	(54,461,501)	(20,578,631)
Income tax benefit	5,417,024	58,500
Net loss	(49,044,477)	(20,520,131)
Other comprehensive (loss) income — unrealized (loss) gain on investments	(24,361)	20,007
Comprehensive loss	(49,068,838)	(20,500,124)
Net loss	(49,044,477)	(20,520,131)
Deemed dividends		(452,925)
Net loss attributable to common stockholders	$ (49,044,477)	$ (20,973,056)
Net loss per share attributable to common stockholders, basic and diluted	$ (1.91)	$ (1.60)
Weighted-average common shares outstanding, basic and diluted	25,637,023	13,124,951