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Note B - Inventories, Net (Tables)
3 Months Ended
Sep. 30, 2018
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
September 30,
2018
   
June 30,
2018
 
Raw materials
  $
17,092
    $
16,209
 
Work in progress
   
3,256
     
4,268
 
Finished goods
   
5,005
     
3,462
 
Reserve
   
(381
)
   
(372
)
    $
24,972
    $
23,567