Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Stock-based Compensation (Details Textual)

v3.23.2
Note 4 - Stock-based Compensation (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Allocated Share-based Compensation Expense (Reversal) $ (33,841) $ 40,555 $ (14,172) $ 225,405
Share-Based Payment Arrangement, Expense, Tax Benefit 0 $ 0 $ 0 $ 0
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value     $ 0.24  
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum     89.47%  
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate     3.87%  
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term     5 years 11 months 12 days  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 150,429   $ 150,429  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition     1 year 8 months 19 days