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Note B - Inventories, Net (Tables)
9 Months Ended
Mar. 31, 2018
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
March 31
,
201
8
   
June 30, 201
7
 
Raw materials
  $
14,774
    $
9,469
 
Work in progress
   
4,148
     
1,312
 
Finished goods
   
5,119
     
3,562
 
Reserves
   
(256
)
   
(614
)
Inventories, net
  $
23,785
    $
13,729