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Note 5 - Inventories (Tables)
3 Months Ended
Sep. 30, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

September 30, 2021

  

June 30, 2021

 

Raw materials

 $45,447  $47,000 

Work in process

  26,071   22,539 

Finished goods

  28,564   22,323 

Total

 $100,082  $91,862