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Note 5 - Inventories (Tables)
6 Months Ended
Dec. 31, 2018
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
December 31,
   
June 30,
 
(In thousands)
 
2018
   
2018
 
                 
Inventories:
               
Raw materials
  $
33,467
    $
31,795
 
Work-in-process
   
2,116
     
3,833
 
Finished goods
   
18,510
     
15,366
 
Total Inventories
  $
54,093
    $
50,994