v3.25.1
Note 3 - Notes Receivable and Advances, Net (Tables)
3 Months Ended
Mar. 31, 2025
Notes Tables  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
  

March 31, 2025

  

December 31, 2024

 

RenFuel K2B AB note receivable

 $1,880,000  $1,450,000 

Daney Ranch note receivable

  980,291   980,291 

Total notes receivable

 $2,860,291  $2,430,291