v3.26.1
Basis of preparation of consolidated financial statements (Tables)
12 Months Ended
Dec. 31, 2025
Notes and other explanatory information [abstract]  
Schedule of exchange rates used to translate its foreign operations
           
  Closing rate Average rate
Year ended December 31, 2025 2024 2023 2025 2024 2023
US Dollar ("US$") 5.5024 6.1923 4.8413 5.5855 5.3920 4.9954
Canadian dollar ("CAD") 4.0187 4.3047 3.6522 3.9981 3.9342 3.7026
Euro ("EUR") 6.4692 6.4363 5.3516 6.3095 5.8340 5.4023