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Note E - Inventory (Tables)
12 Months Ended
Dec. 31, 2024
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

2024

  

2023

 
         

Finished goods

 $4,098,513  $4,373,056 

Fabricated assemblies

  53,289   59,184 

Reserve on finished goods

  (3,773,495)  (3,986,500)

Total inventory

 $378,307  $445,740