v3.26.1
Note 8 - Stockholders' Equity (Details Textual) - USD ($)
3 Months Ended 12 Months Ended
Oct. 01, 2025
Feb. 05, 2024
Jun. 06, 2022
Apr. 29, 2021
Sep. 15, 2003
Dec. 31, 2024
Dec. 31, 2027
Dec. 31, 2026
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2008
Common Stock, Shares Authorized           25,000,000     25,000,000 25,000,000  
Common Stock, Shares, Issued           3,472,491     3,472,491 3,472,491  
Common Stock, Shares, Outstanding (in shares)           3,472,491     3,472,491 3,472,491  
Treasury Stock, Common, Shares           745,536     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 5,000,000  
Preferred Stock, Shares Issued (in shares)           0     0 0  
Share-Based Payment Arrangement, Expense $ 16,682         $ 41,070     $ 66,183 $ 145,248  
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                  
Equity Incentive Plan [Member]                      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross       225,000              
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%              
Share-Based Payment Arrangement, Option [Member]                      
Share-Based Payment Arrangement, Expense                 66,183    
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount                 $ 66,909    
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period                 4 years    
Share-Based Payment Arrangement, Option [Member] | Forecast [Member]                      
Share-Based Payment Arrangement, Expense             $ 3,025 $ 63,884      
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