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Note 4 - Inventories (Tables)
6 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

December 31,

  

June 30,

 
  

2022

  

2022

 

Raw materials

 $1,526,234  $1,273,581 

Supplies and packing materials

  196,930   195,207 

Finished goods

  860,771   731,954 

Total inventories

 $2,583,935  $2,200,742