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Note 4 - Inventories (Tables)
12 Months Ended
Sep. 30, 2022
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

September 30,

   

September 30,

 
   

2022

   

2021

 

Finished Goods

  $ 9,063     $ 249,571  

Goods-in-process

    1,405,785       844,194  

Total

  $ 1,414,848     $ 1,093,765