v3.26.1
Note 4 - Notes Receivable and Advances (Details Textual) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 25, 2026
Apr. 30, 2026
Mar. 26, 2026
Aug. 19, 2022
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Proceeds from Sale of Notes Receivable   $ 500,000             $ 500,000 $ 0  
Gain (Loss) on Sale of Financing Receivable           $ (403,217)   $ 0 $ (403,217) $ 0  
Conversion of Sierra Springs Advances Into Sierra Springs Common Stock [Member]                      
Debt Conversion, Original Debt, Amount $ 13,640,000   $ 237,415 $ 15,150,000              
Debt Conversion, Converted Instrument, Shares Issued (in shares) 20,984,615   365,255 23,307,692              
Debt Conversion, Conversion Rate, Price Per Share (in dollars per share) $ 0.65   $ 0.65 $ 0.65              
Debt Conversion, Accrued Interest, Amount     $ 237,415                
Sierra Springs Opportunity Fund, Inc. Note Receivable [Member]                      
Payments for Advance to Affiliate             $ 5,750,000       $ 9,400,000
Note Receivable, Interest Rate 4.50%         4.50%     4.50%    
Interest Receivable, Current $ 0         $ 0     $ 0    
Daney Ranch Sale Note Receivable [Member]                      
Note Receivable, Term (Year)         10 years            
Financing Receivable, before Allowance for Credit Loss         $ 993,000            
Note Receivable, Interest Rate, Year One         2.00%            
Note Receivable, Interest Rate, Thereafter         7.00%