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

Accrued Warranty Reserve - Roll Forward (Details)

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Accrued Warranty Reserve - Roll Forward (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Accrued Warranty Reserve    
Balance, beginning of the fiscal year $ 1,070 $ 1,437
Standard warranty provision 195 (184)
Deductions for warranty claims (294) (183)
Balance, end of the period $ 971 $ 1,070