Quarterly report [Sections 13 or 15(d)]

Note 8 - Notes Payable and Convertible Notes (Details Textual)

v3.26.1
Note 8 - Notes Payable and Convertible Notes (Details Textual) - USD ($)
1 Months Ended 3 Months Ended
Dec. 17, 2025
Jul. 09, 2025
Jul. 09, 2025
Jul. 07, 2025
Dec. 31, 2025
Mar. 31, 2026
Conversion of Note Payable into Common Stock [Member]            
Debt Instrument, Convertible, Conversion Price (in dollars per share) $ 1.48       $ 1.48  
Debt Conversion, Original Debt, Amount $ 150,000       $ 150,000  
Debt Conversion, Converted Instrument, Shares Issued (in shares) 101,351       101,351  
First Note [Member]            
Debt Instrument, Face Amount       $ 250,000   $ 250,000
Debt Instrument, Convertible, Conversion Price (in dollars per share)       $ 0.47   $ 0.8
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger       80.00%    
Debt Instrument Convertible, Average Closing Price, Days       15    
Debt Instrument Convertible, Volume-weighted Average Price, Days       10    
Debt Instrument Convertible, Lowest VWAP, Days       3    
Debt Instrument, Convertible, Three Day Lowest Volume Weighted Average Price, Number of Trading Days       45    
Debt Instrument, Interest Rate, Stated Percentage           12.00%
Debt Conversion, Converted Instrument, Shares Issued (in shares)           92,824
Long-Term Debt, Gross           $ 190,370
First Note [Member] | Conversion of Promissory Notes Payable into Common Stock [Member]            
Debt Instrument, Convertible, Conversion Price (in dollars per share)           $ 0.8
Debt Conversion, Original Debt, Amount           $ 59,630
Debt Conversion, Converted Instrument, Shares Issued (in shares)           92,824
Debt Conversion, Converted Accrued Interest, Amount           $ 15,000
Second Note [Member]            
Debt Instrument, Face Amount   $ 150,000 $ 150,000      
Debt Instrument, Convertible, Conversion Price (in dollars per share)   $ 0.47 $ 0.47      
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger   80.00%        
Debt Instrument Convertible, Average Closing Price, Days   15        
Debt Instrument, Interest Rate, Stated Percentage   12.00% 12.00%      
Debt Instrument, Maturity, Term after Purchase Price Payment Date (Day)   360 days        
Debt Instrument, Interest Rate if Default   18.00% 18.00%      
The Two Notes [Member]            
Proceeds from Issuance of Debt     $ 400,000