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 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Movement in Standard Product Warranty Accrual          
Balance, beginning of period $ 1,855 $ 1,138 $ 1,653 $ 1,086  
Provision for estimated warranty cost 802 910 1,960 1,461  
Warranty expenditures (885) (815) (1,841) (1,314)  
Balance, end of period 1,772 1,233 1,772 1,233  
Less: long-term portion of warranty accrual 397 431 397 431 $ 360
Current portion of warranty accrual $ 1,375 $ 802 $ 1,375 $ 802 $ 1,293