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Note C - Inventories (Tables)
12 Months Ended
Jun. 30, 2020
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
2020
   
2019
 
Finished parts
  $
62,394
    $
57,682
 
Work in process
   
17,844
     
23,812
 
Raw materials
   
40,369
     
44,399
 
    $
120,607
    $
125,893