XML 150 R102.htm IDEA: XBRL DOCUMENT v3.26.1
Schedule of pension cost (Details) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Notes and other explanatory information [abstract]      
Pensions cost $ 75,398 $ 76,680 $ 71,180