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Note 15 - Subsequent Events (Details Textual) - USD ($)
 3 Months Ended 12 Months Ended
May 06, 2026
Apr. 30, 2026
Apr. 16, 2026
Apr. 06, 2026
Jan. 05, 2026
May 21, 2025
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Stock Issued During Period, Shares, New Issues (in shares)               1,839,390  
Stock Issued During Period, Value, New Issues             $ 60,979,181    
Sierra Springs Opportunity Fund, Inc. (SSOF) [Member]                  
Subsidiary, Ownership Percentage, Noncontrolling Owner             40.66%   16.99%
Nonemployee Directors [Member]                  
Stock Issued During Period, Value, New Issues         $ 1,864,159        
Stock Issued During Period, Shares, Issued for Services (in shares)         463,721        
Subsequent Event [Member] | Georges Trust [Member]                  
Proceeds from Issuance or Sale of Equity $ 1,500,000                
Payment for Debt Extinguishment or Debt Prepayment Cost $ 500,000                
Subsequent Event [Member] | Sierra Springs Opportunity Fund, Inc. (SSOF) [Member]                  
Subsidiary, Ownership Percentage, Noncontrolling Owner   42.57%              
Subsequent Event [Member] | Advances to Sierra Springs Opportunity Fund, Inc. (SSOF) [Member]                  
Debt Conversion, Original Debt, Amount   $ 2,000,000              
Debt Conversion, Converted Instrument, Shares Issued (in shares)   3,076,923              
Debt Conversion, Conversion Rate, Price Per Share (in dollars per share)   $ 0.65              
Subsequent Event [Member] | Nonemployee Directors [Member]                  
Stock Issued During Period, Shares, Issued for Services (in shares)     63,944            
FPC Asset Purchase Agreement [Member]                  
Stock Issued During Period, Shares, New Issues (in shares)           1,700,000     1,700,000
FPC Asset Purchase Agreement [Member] | FPC Affiliates [Member]                  
Stock Issued During Period, Shares, New Issues (in shares)                 300,000
Derivative Liability             $ 5,273,813    
Proceeds from Issuance or Sale of Equity                 $ 4,726,187
FPC Asset Purchase Agreement [Member] | FPC Settlement Shares [Member]                  
Stock Issued During Period, Shares, New Issues (in shares)           2,000,000      
FPC Asset Purchase Agreement [Member] | FPC Settlement Shares [Member] | Subsequent Event [Member]                  
Stock Issued During Period, Shares, New Issues (in shares)       1,750,000          
Stock Issued During Period, Value, New Issues       $ 6,055,000          
Shares Issued, Price Per Share (in dollars per share)       $ 3.46