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Note 4 - Inventories (Tables)
12 Months Ended
Jun. 30, 2020
Notes Tables  
Schedule of Inventory, Current [Table Text Block]

June 30

 

2020

   

2019

 
Raw materials   $ 37,257     $ 34,902  
Work in process     25,527       26,213  
Finished goods     22,247       15,187  

Total

  $ 85,031     $ 76,302