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Note 3 - Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Schedule of Differences between Reported Amount and Reporting Currency Denominated Amount [Table Text Block]
  

As of June 30, 2025

  

As of June 30, 2024

  

As of December 31, 2024

 

Closing rate $USD to GBP

 $1.37  $1.26  $1.26 

Quarterly average rate $USD to GBP

 $1.34  $1.26  $1.28 

Yearly average rate $USD to GBP

 $1.30  $1.27  $1.28