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Note 6 - Inventories (Tables)
9 Months Ended
Mar. 31, 2020
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

March 31, 2020

   

June 30, 2019

 
Raw materials   $ 38,791     $ 34,902  
Work in process     28,250       26,213  
Finished goods     18,233       15,187  

Total

  $ 85,274     $ 76,302