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Note B - Inventories, Net (Tables)
 3 Months Ended
Sep. 30, 2017
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
 
  
September 30,
201
7
    
June 30,
201
7
  
Raw materials
   $
13,828
     $
9,469
  
Work in progress
    
3,562
      
1,312
  
Finished goods
    
2,269
      
3,562
  
Reserves
    
(663
 )    
(614
 )
Inventories, net
   $
18,996
     $
13,729