Property and Equipment, Net - Components of Property and Equipment (Detail) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 40,728,191	$ 36,107,408
Less, accumulated depreciation and amortization	(12,304,273)	(11,262,651)
In-process assets, including deposits on new equipment	2,439,060	2,185,643
Property and equipment, net	30,862,978	27,030,400
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	14,130,736	9,937,510
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment	509,054	491,173
Office equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	1,144,489	1,111,141
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment	19,487,519	19,431,916
Vehicles
Property, Plant and Equipment [Line Items]
Total property and equipment	98,282	98,282
Lab equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	2,938,346	2,930,059
Purchased software
Property, Plant and Equipment [Line Items]
Total property and equipment	2,107,327	2,107,327
Internally-developed software
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 312,438