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Note 6 - Product Warranties - Product Warranties (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Balance at beginning of year $ 1,637 $ 1,361
Provision 593 886
Acquired 645 0
Claims (665) (857)
Balance at end of period $ 2,210 $ 1,390