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Schedule of components of income tax (credit) expense (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Notes and other explanatory information [abstract] |  |  |
Current income tax on (loss) profit for the year | $ 2,966 | $ 13,208 | $ 3
Tax on unappropriated retained earnings |  |  | 1,377
Prior year income tax under provision | 595 | 519 | 19,588
Total current income tax | 3,561 | 13,727 | 20,968
Effect of temporary differences | 1,905 | (8,215) | (404,016)
Income tax expense (credit) | $ 5,466 | $ 5,512 | $ (383,048)

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