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Note 7 - Warranty Reserves (Tables)
9 Months Ended
Mar. 31, 2022
Notes Tables  
Schedule of Product Warranty Liability [Table Text Block]
   

March 31, 2022

   

June 30, 2021

 

Balance at beginning of year

  $ 2,086     $ 1,781  

Acquisitions and other charges

    (68 )     68  

Warranty expense

    856       2,007  

Warranty claims

    (960 )     (1,770 )

Balance at end of period

  $ 1,914     $ 2,086