v3.26.1
Note 2 - Summary of significant accounting policies: Income taxes (Details) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Details      
Income Tax Examination, Description with a tax examination being presumed to occur. The amount recognized is the largest amount of tax benefit that is greater than 50% likely of being realized on examination. For tax positions not meeting the “more likely than not” test, no tax benefit is recorded    
Unrecognized Tax Benefits $ 271,302 $ 240,930  
Interest Payable, Current 0 78,894 $ 0
Income Tax Examination, Penalties and Interest Accrued $ 0 $ 0 $ 0