Quarterly report pursuant to Section 13 or 15(d)

Note 1 - Summary of Significant Accounting Policies (Details Textual)

v3.23.1
Note 1 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Patent and Trademark Costs $ 24,341 $ 76,175
Previously Capitalized Patent Costs Abandoned $ 469 $ 47,774
Minimum [Member]    
Finite-Lived Intangible Asset, Useful Life 5 years  
Maximum [Member]    
Finite-Lived Intangible Asset, Useful Life 15 years