Accrued Expenses - Schedule of Accrued Expenses (Details) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Accounts Payable And Accrued Liabilities Current [Abstract]
Accrued payroll and payroll taxes	$ 2,633,594	$ 419,354
Accrued contract manufacturing	2,211,586	827,390
Accrued precommercial costs	407,399	395,923
Accrued legal	285,326	162,812
Accrued consulting	255,063	105,085
Accrued accounting, audit, and tax fees	160,056	167,630
Accrued license fees	84,720	86,259
Accrued miscellaneous expenses	69,648	216,103
Accrued contract research and regulatory consulting	27,934	47,637
Total accrued expenses	$ 6,135,326	$ 2,428,193