Annual report [Section 13 and 15(d), not S-K Item 405]

Schedule II - Valuation and Qualifying Accounts (Detail)

v3.26.1
Schedule II - Valuation and Qualifying Accounts (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Reserve for Doubtful Accounts Receivable [Member]      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period $ 630 $ 79 $ 1,841
Charged to Costs and Expenses (108) 886 587
Charged to Other Accounts 0 0 0
Deductions (327) (335) (2,349)
Balance at End of Period 195 630 79
Product Warranty Liability [Member]      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period 786 806 578
Charged to Costs and Expenses 165 326 410
Charged to Other Accounts 172 0 0
Deductions (106) (346) (182)
Balance at End of Period $ 1,017 $ 786 $ 806