Annual report pursuant to Section 13 and 15(d)

Schedule II - Valuation and Qualifying Accounts (Detail)

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Schedule II - Valuation and Qualifying Accounts (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
Reserve for Doubtful Accounts Receivable [Member]      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period $ 1,841 $ 87 $ 29
Charged to Costs and Expenses 587 1,765 163
Charged to Other Accounts 0 0 21
Deductions (2,349) (11) (126)
Balance at End of Period 79 1,841 87
Accrued expenses      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period 0 760 0
Charged to Costs and Expenses   0 1,073
Charged to Other Accounts   0 0
Deductions   (760) (313)
Balance at End of Period   0 760
Product Warranty Liability [Member]      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period 578 441 626
Charged to Costs and Expenses 410 364 386
Charged to Other Accounts 0 0 169
Deductions (182) (227) (740)
Balance at End of Period $ 806 $ 578 $ 441