Annual report pursuant to Section 13 and 15(d)

Product Warranty Liability - Reconciliation of the Changes in Product Warranty Liability (Detail)

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Product Warranty Liability - Reconciliation of the Changes in Product Warranty Liability (Detail) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Guarantees [Abstract]    
Balance at beginning of year $ 578 $ 441
Expense for product warranties 410 364
Product warranty claims paid (182) (227)
Balance at end of year $ 806 $ 578