Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Prepaid Expense And Other Assets Current [Abstract]
Deferred research and development expenses	$ 2,404,145	$ 4,793,794
Miscellaneous prepaid expenses and other current assets	557,636	407,163
Total prepaid expenses and other current assets	$ 2,961,781	$ 5,200,957