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Note B - Inventories, Net (Tables)
9 Months Ended
Mar. 31, 2020
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
March
3
1
,
20
20
   
June 30,
201
9
 
Raw materials
  $
19,042
    $
18,322
 
Work in progress
   
4,160
     
3,785
 
Finished goods
   
4,789
     
5,002
 
Reserve
   
(1,880
)
   
(1,106
)
    $
26,111
    $
26,003