v3.26.3
Balance Sheet Components - Summary of Property and Equipment, Net (Detail) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Property, Plant and Equipment [Line Items]    
Total property and equipment $ 59,934 $ 53,621
Less: accumulated depreciation and amortization (26,897) (23,869)
Property and equipment, net 33,037 29,752
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment 2,569 2,569
Construction in Progress [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment 160 1,069
Machinery and Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment 4,446 3,663
Capitalized Surgical Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment [1] 37,631 33,147
Computer Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment 1,258 1,225
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment 11,414 10,591
Software and Website Development [Member]    
Property, Plant and Equipment [Line Items]    
Total property and equipment $ 2,456 $ 1,357
[1]

1 Capitalized surgical equipment includes $32.0 million and $28.0 million that is ready for its intended use and has started depreciating and $5.6 million and $5.1 million that is not ready for its intended use and has not started depreciating as of September 30, 2026 and December 31, 2025, respectively.