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Note D - Inventories (Tables)
12 Months Ended
Jun. 30, 2019
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
2019
   
 
 2018
 
Finished parts
  $
57,682
    $
49,332
 
Work in process
   
23,812
     
13,183
 
Raw materials
   
44,399
     
21,486
 
    $
125,893
     
84,001