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Note 1 - Summary of Accounting Policies - Changes in Warranty Reserve (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2017
Balance at beginning of year $ 4,966 $ 4,667 $ 4,335
Acquisitions and other charges (85) (138) 302
Warranty expense 5,016 6,248 5,052
Warranty claims (4,619) (5,811) (5,022)
Balance at end of year $ 5,278 $ 4,966 $ 4,667