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Basis of preparation (Details Narrative)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Notes and other explanatory information [abstract]          
Inflation rate 211.40% 94.80% 50.90% 36.10% 53.80%