Property and Equipment - Summary of Property and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 39,194	$ 34,393
Less: Accumulated depreciation	(13,179)	(10,373)
Total property and equipment, net	26,015	24,020
Production molds, tooling and equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	22,069	20,260
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment	7,559	6,298
Furniture, fixtures and office equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	907	865
Computer equipment and software
Property, Plant and Equipment [Line Items]
Total property and equipment	1,717	756
Construction and tooling in process
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 6,942	$ 6,214