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Note 1 - Summary of Accounting Policies - Changes in Warranty Reserve (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2021
Balance at beginning of year $ 1,918 $ 2,086 $ 1,781
Acquisitions and other charges 0 (29) 68
Warranty expense 1,939 1,083 2,007
Warranty claims (1,763) (1,222) (1,770)
Balance at end of year $ 2,094 $ 1,918 $ 2,086