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Note 11 - Accounts Payable and Accrued Expenses - Product Warranty Activity (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Balance at beginning of period $ 2,155 $ 2,109 $ 2,053 $ 2,015
Acquired warranty obligations 0 147 248 147
Change in accruals for warranties during the period 206 124 520 507
Settlements during the period (143) (360) (603) (649)
Balance at end of period $ 2,218 $ 2,020 $ 2,218 $ 2,020