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Note 5 - Inventories (Tables)
3 Months Ended
Sep. 30, 2019
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
September 30,
   
June 30,
 
(In thousands)
 
2019
   
2019
 
                 
Inventories:
               
Raw materials
  $
28,783
    $
27,927
 
Work-in-process
   
1,757
     
2,193
 
Finished goods
   
12,538
     
13,392
 
Total Inventories
  $
43,078
    $
43,512