v3.26.1
Property and equipment - Summary of Property And Equipment (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning $ 791,597 $ 1,012,032 $ 936,707
Ending 908,650 791,597 1,012,032
Cost [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning 906,395 1,153,363 1,063,549
Additions 29,176 5,245 6,938
Disposals (11,260)    
Effect of foreign exchange 106,759 (252,213) 82,876
Ending 1,031,070 906,395 1,153,363
Depreciation [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning 114,798 141,331 126,842
Disposals (11,260)    
Effect of foreign exchange 13,875 (31,336) 9,963
Depreciation charge for the year 5,007 4,803 4,526
Ending 122,420 114,798 141,331
Vehicles [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning 271 348 323
Ending 306 271 348
Vehicles [Member] | Cost [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning 41,310 52,839 49,027
Additions 0 0 0
Disposals (11,260)    
Effect of foreign exchange 4,655 (11,529) 3,812
Ending 34,705 41,310 52,839
Vehicles [Member] | Depreciation [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning 41,039 52,491 48,704
Disposals (11,260)    
Effect of foreign exchange 4,620 (11,452) 3,787
Depreciation charge for the year 0 0 0
Ending 34,399 41,039 52,491
Office equipment [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning 13,370 17,077 17,372
Ending 14,354 13,370 17,077
Office equipment [Member] | Cost [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning 77,841 94,715 85,491
Additions 3,918 4,355 2,497
Disposals 0    
Effect of foreign exchange 9,765 (21,229) 6,727
Ending 91,524 77,841 94,715
Office equipment [Member] | Depreciation [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning 64,471 77,638 68,119
Disposals 0    
Effect of foreign exchange 8,153 (17,501) 5,427
Depreciation charge for the year 4,546 4,334 4,092
Ending 77,170 64,471 77,638
Furniture and fixtures [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning 5,790 6,936 2,599
Ending 6,822 5,790 6,936
Furniture and fixtures [Member] | Cost [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning 15,078 18,138 12,618
Additions 790 890 4,441
Disposals 0    
Effect of foreign exchange 1,805 (3,950) 1,079
Ending 17,673 15,078 18,138
Furniture and fixtures [Member] | Depreciation [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning 9,288 11,202 10,019
Disposals 0    
Effect of foreign exchange 1,102 (2,383) 749
Depreciation charge for the year 461 469 434
Ending 10,851 9,288 11,202
Land [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning 772,166 987,671 916,413
Ending 887,168 772,166 987,671
Land [Member] | Cost [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning 772,166 987,671 916,413
Additions 24,468 0 0
Disposals 0    
Effect of foreign exchange 90,534 (215,505) 71,258
Ending 887,168 772,166 987,671
Land [Member] | Depreciation [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning 0 0 0
Disposals 0    
Effect of foreign exchange 0 0 0
Depreciation charge for the year 0 0 0
Ending $ 0 $ 0 $ 0