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Supplementary Balance Sheet and Geographic Information - Summary of Property and Equipment, Net (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 7,889 $ 7,577
Less: Accumulated depreciation 5,345 4,765
Property and equipment, net 2,544 2,812
Machinery and Equipment    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 6,422 6,051
Machinery and Equipment | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life 7 years  
Machinery and Equipment | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life 25 years  
Vehicles    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 31 31
Estimated Useful Life 5 years  
Computer Software    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 212 212
Estimated Useful Life 5 years  
Computer Equipment    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 649 602
Furniture and Fixtures    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 220 216
Estimated Useful Life 5 years  
Leasehold Improvements    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 355 $ 465
Leasehold Improvements | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life 3 years  
Leasehold Improvements | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life 6 years