Accrued Expenses - Schedule of Accrued Expenses (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Accounts Payable And Accrued Liabilities Current [Abstract]
Accrued contract manufacturing	$ 827,390	$ 1,479,771
Accrued payroll and payroll taxes	419,354	267,159
Accrued precommercial costs	395,923
Accrued miscellaneous expenses	216,103	102,999
Accrued accounting, audit, and tax fees	167,630	181,200
Accrued legal	162,812	350,517
Accrued consulting	105,085	88,750
Accrued license fees	86,259	240,041
Accrued contract research and regulatory consulting	47,637	1,070,664
Total accrued expenses	$ 2,428,193	$ 3,781,101