v3.26.1
Property, plant and equipment (Tables)
6 Months Ended
Jun. 30, 2026
Notes and other explanatory information [abstract]  
Schedule of property, plant and equipment

  Buildings Equipment Vehicles Computer Total
  $ $ $ $ $
COST          
As of December 31, 2024 3,078,725 18,902,656 277,802 821,743 23,080,926
Addition 96,447 158,510 254,957
Recovery 79,750 79,750
Disposal (79,750) (79,750)
Sale of Mineral Ridge (Note 5) (2,591,443) (17,519,650) (226,202) (780,982) (21,118,277)
As of December 31, 2025 487,282 1,479,453 210,110 40,761 2,217,606
Addition 201,958 201,958
Disposal (550,100) (550,100)
As of June 30, 2026 487,282 1,131,311 210,110 40,761 1,869,464
           
ACCUMULATED DEPRECIATION          
As of December 31, 2024 (2,724,525) (14,823,276) (277,802) (821,743) (18,647,346)
Addition (2,260) (220,400) (31,702) (254,362)
Sale of Mineral Ridge (Note 5) 2,248,543 14,576,870 226,202 780,982 17,832,597
As of December 31, 2025 (478,242) (466,806) (83,302) (40,761) (1,069,111)
Addition (1,130) (86,633) (15,852) (103,615)
Disposal 110,020 110,200
As of June 30, 2026 (479,372) (443,419) (99,154) (40,761) (1,062,706)
           
Net book value as of June 30, 2026 7,910 687,892 110,956 806,758
Net book value as of December 31, 2025 9,040 1,012,647 126,808 1,148,495