Quarterly report pursuant to Section 13 or 15(d)

Accrued Liabilities - Changes in Initial Product Warranty Accrual and Expenses Under Initial and Extended Warranties (Detail)

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Accrued Liabilities - Changes in Initial Product Warranty Accrual and Expenses Under Initial and Extended Warranties (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Movement in Standard Product Warranty Accrual      
Balance, beginning of period $ 1,653 $ 1,086  
Provision for estimated warranty cost 1,158 551  
Warranty expenditures (956) (499)  
Balance, end of period 1,855 1,138  
Less: long-term portion of warranty accrual 426 512 $ 360
Current portion of warranty accrual $ 1,429 $ 626 $ 1,293