Accrued Expenses (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Accrued Expenses
Accrued preclinical and clinical trial expenses	$ 955,013	$ 628,000
Accrued manufacturing expenses	179,173	175,089
Compensation and related benefits	459,178	209,600
Accrued franchise tax	195,000	172,500
Other expenses	631,312	429,345
Accrued expenses	$ 2,419,676	$ 1,614,534