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Note 11 - Accounts Payable and Accrued Expenses - Product Warranty Activity (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Balance at beginning of period $ 2,053 $ 2,015
Acquired Warranty Obligation 248 147
Change in accruals for warranties during the period 618 643
Settlements during the period (853) (752)
Balance at end of period $ 2,066 $ 2,053