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Note 5 - Inventories (Tables)
6 Months Ended
Dec. 31, 2019
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
December 31,
   
June 30,
 
(In thousands)
 
2019
   
2019
 
                 
Inventories:
               
Raw materials
  $
29,685
    $
27,927
 
Work-in-progress
   
1,742
     
2,193
 
Finished goods
   
11,884
     
13,392
 
Total Inventories
  $
43,311
    $
43,512