v3.26.1
Note 13 - Fair Value Measurements (Details Textual) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Investment Owned, Fair Value $ 116 $ 145
Minimum [Member]    
Derivative, Fixed Interest Rate 7.30%  
Maximum [Member]    
Derivative, Fixed Interest Rate 19.00%  
Anfield Energy [Member]    
Investment Owned, Balance, Shares (in shares) 32,300