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Note 3 - Inventories (Tables)
12 Months Ended
Jun. 30, 2018
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
June 30
 
2018
   
2017
 
Raw materials
  $
58,878
    $
53,313
 
Work in process
   
33,507
     
28,110
 
Finished goods
   
34,838
     
37,978
 
Total
  $
127,223
    $
119,401