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Note 15 - Revenue Recognition (Tables)
12 Months Ended
Dec. 31, 2024
Notes Tables  
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]
  

December 31, 2024

  

December 31, 2023

 
         

Accounts receivable

 $264,831  $415,119 

Unbilled revenue

 $-  $12,000