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Note 3 - Inventory (Tables)
9 Months Ended
Sep. 30, 2023
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
       
  December 31, 2022  September 30, 2023 

Inventory on-hand

 $34,374  $27,124 

Inventory in-transit

  9,292   4,369 

Inventory

 $43,666  $31,493