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Note 4 - Inventories (Tables)
3 Months Ended
Sep. 30, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

September 30,

  

June 30,

 
  

2021

  

2021

 

Raw materials

 $888,225  $942,911 

Supplies and packing materials

  172,029   193,322 

Finished goods

  1,049,136   815,559 

Total inventories

 $2,109,390  $1,951,792