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Note 4 - Inventories (Tables)
6 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

December 31,

  

June 30,

 
  

2021

  

2021

 

Raw materials

 $1,038,700  $942,911 

Supplies and packing materials

  237,991   193,322 

Finished goods

  867,990   815,559 

Total inventories

 $2,144,681  $1,951,792