Property and Equipment - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Property Plant And Equipment [Line Items]
Depreciation	$ 11,666	$ 11,667
Amortization of capitalized license expense	265,263
Accumulated depreciation and amortization	2,806,579	2,026,050
Laboratory Equipment
Property Plant And Equipment [Line Items]
Disposal of property and equipment, gross		320,778
Accumulated depreciation and amortization		139,003
Loss on disposal of property and equipment		$ 54,274
Disposals of property and equipment	$ 0