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Note F - Warranty (Tables)
12 Months Ended
Jun. 30, 2021
Notes Tables  
Schedule of Product Warranty Liability [Table Text Block]
  

2021

  

2020

 
         

Reserve balance, July 1

 $4,460  $3,736 

Current period expense and adjustments

  3,590   10,369 

Payments or credits to customers

  (3,742)  (9,629)

Translation adjustment

  61   (16)

Reserve balance, June 30

 $4,369  $4,460