Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Revenues	$ 0	$ 0	$ 0	$ 0
Cost and expenses:
Research and development	15,701,955	4,185,942	20,013,089	7,684,597
General and administrative	4,296,166	2,668,657	7,237,500	5,201,465
Total operating expenses	19,998,121	6,854,599	27,250,589	12,886,062
Loss from operations	(19,998,121)	(6,854,599)	(27,250,589)	(12,886,062)
Other income (expense):
Interest expense	(3,178)	(2,492)	(5,387)	(4,546)
Change in fair value of contingent consideration	90,000	(810,014)	414,992	(840,014)
Loss before income taxes	(19,911,299)	(7,667,105)	(26,840,984)	(13,730,622)
Income tax benefit (expense)	0	0	0	0
Net loss	$ (19,911,299)	$ (7,667,105)	$ (26,840,984)	$ (13,730,622)
Weighted-average common shares outstanding:
Basic (in shares)	76,229,617	76,225,245	76,229,260	64,259,470
Diluted (in shares)	76,229,617	76,225,245	76,229,260	64,259,470
Net loss per common share: (see Note 10)
Basic (in dollars per share)	$ (0.26)	$ (0.10)	$ (0.35)	$ (0.21)
Diluted (in dollars per share)	$ (0.26)	$ (0.10)	$ (0.35)	$ (0.21)