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The Company and Summary of Significant Accounting Policies - Warranty Liability (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Warranty liability    
Beginning Balance $ 364 $ 406
Provision for warranties issued 67 41
Warranty services provided (42) (106)
Ending Balance $ 389 $ 341