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Note 5 - Product Warranties - Product Warranties (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Balance at beginning of year $ 2,269 $ 1,973
Provision 877 969
Claims (718) (744)
Balance at end of period $ 2,428 $ 2,198