Quarterly report [Sections 13 or 15(d)]

Accrued Warranty Reserve - Roll Forward (Details)

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Accrued Warranty Reserve - Roll Forward (Details) - USD ($)
$ in Thousands
6 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Accrued Warranty Reserve    
Balance, beginning of the fiscal year $ 1,070 $ 1,437
Standard warranty provision 160 (223)
Deductions for warranty claims (50) (69)
Balance, end of the period $ 1,180 $ 1,145