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Summary of Significant Accounting Policies - Summary of Estimated Useful Lives and Residual Value of Property and Equipment (Detail)
12 Months Ended
Dec. 31, 2022
Mold And Tooling [Member]  
Property, Plant and Equipment [Line Items]  
Residual value 0.00%
Mold And Tooling [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 2 years
Mold And Tooling [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 5 years
Office equipment [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 5 years
Residual value 5.00%
Machinery and electronic equipment [Member]  
Property, Plant and Equipment [Line Items]  
Residual value 5.00%
Machinery and electronic equipment [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 3 years
Machinery and electronic equipment [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 10 years
Transportation equipment [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life 4 years
Residual value 5.00%
Leasehold improvements [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful life Shorter of lease term or the estimated useful lives of the assets
Residual value 0.00%