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Note 4 - Inventories (Tables)
12 Months Ended
Jun. 30, 2019
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
June 30,
   
June 30,
 
(In thousands)
 
201
9
   
2018
 
                 
Inventories:
               
Raw materials
 
$
27,927
    $
31,795
 
Work-in-process
 
 
2,193
     
3,833
 
Finished goods
 
 
13,392
     
15,366
 
Total Inventories
 
$
43,512
    $
50,994