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Note 7 - Warranty Reserves - Changes in Warranty Reserve (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Dec. 31, 2021
Jun. 30, 2021
Balance at beginning of year $ 2,086 $ 1,781
Acquisitions and other charges (62) 68
Warranty expense 326 2,007
Warranty claims (582) (1,770)
Balance at end of period $ 1,768 $ 2,086