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Note 3 - Inventories (Tables)
6 Months Ended
Jun. 30, 2023
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

As of
June 30,

2023

  

As of
December 31,

2022

 
         

Finished goods

 $244,521  $290,616 

Raw materials

  142,483   133,183 

Work-In-Process

  6,694   6,694 

Total

 $393,698  $430,493