Property and Equipment, Net - Summary of Property and Equipment, Net (Detail) - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Property Plant And Equipment [Line Items]
Property and equipment, at cost	$ 6,958,163	$ 2,655,731
Less: accumulated depreciation and amortization	(1,760,111)	(1,598,811)
Property and equipment, net	5,198,052	1,056,920
Furniture, Fixtures and Equipment [Member]
Property Plant And Equipment [Line Items]
Property and equipment, at cost	185,878	125,538
Laboratory Equipment [Member]
Property Plant And Equipment [Line Items]
Property and equipment, at cost	1,041,752	959,585
Computers and Telecommunications [Member]
Property Plant And Equipment [Line Items]
Property and equipment, at cost	250,516	220,316
Software [Member]
Property Plant And Equipment [Line Items]
Property and equipment, at cost	64,409	64,409
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment, at cost	1,415,608	$ 1,285,883
Construction-In-Progress [Member]
Property Plant And Equipment [Line Items]
Property and equipment, at cost	$ 4,000,000