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Note 6 - Product Warranties - Product Warranties (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Balance at beginning of year $ 1,973 $ 1,637
Provision 3,121 1,085
Acquired 0 645
Claims (2,716) (1,238)
Balance at end of period $ 2,378 $ 2,129