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Note B - Inventories, Net (Tables)
 6 Months Ended
Dec. 31, 2017
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
December 31,
201
7
    
June 30, 201
7
  
Raw materials
   $
12,623
     $
9,469
  
Work in progress
    
3,061
      
1,312
  
Finished goods
    
2,597
      
3,562
  
Reserves
    
(402
)
    
(614
)
Inventories, net
   $
17,879
     $
13,729