Property and Equipment, Net - Summary of Property and Equipment, Net (Detail) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	$ 2,655,731	$ 2,451,775
Less accumulated depreciation and amortization	(1,598,811)	(1,347,567)
Property and equipment, net	1,056,920	1,104,208
Furniture, Fixtures and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	125,538	121,491
Laboratory Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	959,585	926,590
Computers and Telecommunications [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	220,316	150,517
Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	64,409	25,069
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	$ 1,285,883	$ 1,228,108