v3.25.1
Note 8 - Stockholders' Equity (Details Textual) - USD ($)
3 Months Ended 12 Months Ended
Feb. 05, 2024
Jun. 06, 2022
May 27, 2022
Apr. 29, 2021
Sep. 15, 2003
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2008
Dec. 31, 2024
Common Stock, Shares Authorized           25,000,000     25,000,000
Common Stock, Shares, Issued           3,472,491     3,472,491
Common Stock, Shares, Outstanding (in shares)           3,472,491     3,472,491
Treasury Stock, Common, Shares           745,536     745,536
Treasury Stock, Shares, Acquired         745,536        
Shares Acquired, Average Cost Per Share         $ 0.7        
Treasury Stock, Value, Acquired, Cost Method         $ 521,875     $ 699  
Treasury Stock, Acquired, Percentage of Outstanding Shares         50.11%        
Preferred Stock, Shares Authorized           5,000,000     5,000,000
Share-Based Payment Arrangement, Expense           $ 16,319 $ 69,330    
Chief Financial Officer [Member]                  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross 50,000                
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share) $ 2                
Share-Based Payment Arrangement, Option [Member]                  
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period             3 years    
Share-Based Payment Arrangement, Expense           $ 104,178      
Equity Incentive Plan [Member]                  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross       175,000          
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)       $ 1.99          
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period       3 years          
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)       7 years          
Share Price       $ 2.34          
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Exercise Price       $ 1.99          
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term       3 years          
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate       0.35%          
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate       185.00%          
Director [Member]                  
Stock Issued During Period, Shares, New Issues (in shares)   121,212              
Stock Issued During Period, Value, New Issues   $ 200,000              
Shares Issued, Price Per Share (in dollars per share)   $ 1.65              
Conversion of Debt into Common Stock [Member]                  
Debt Conversion, Original Debt, Amount     $ 824,269            
Debt Conversion, Converted Instrument, Shares Issued (in shares)     404,054            
Debt Instrument, Convertible, Conversion Price (in dollars per share)     $ 2.04