| Intangible assets |
| | |
Research and
development | | |
Software | | |
Patents | | |
Trademark | | |
Total | |
| | |
USD | | |
USD | | |
USD | | |
USD | | |
USD | |
| Cost | |
| | |
| | |
| | |
| | |
| |
| At December 31, 2023 | |
| 262,824 | | |
| 16,180 | | |
| 9,884 | | |
| 8,266 | | |
| 297,154 | |
| Currency translation adjustments | |
| (8,057 | ) | |
| (496 | ) | |
| (303 | ) | |
| (255 | ) | |
| (9,111 | ) |
| At December 31, 2024 | |
| 254,767 | | |
| 15,684 | | |
| 9,581 | | |
| 8,011 | | |
| 288,043 | |
| Currency translation adjustments | |
| 15,119 | | |
| 931 | | |
| 568 | | |
| 477 | | |
| 17,095 | |
| At December 31, 2025 | |
| 269,886 | | |
| 16,615 | | |
| 10,149 | | |
| 8,488 | | |
| 305,138 | |
| | |
| | | |
| | | |
| | | |
| | | |
| | |
| Accumulated amortization | |
| | | |
| | | |
| | | |
| | | |
| | |
| At December 31, 2023 | |
| 211,719 | | |
| 13,034 | | |
| 2,378 | | |
| 4,627 | | |
| 231,758 | |
| Amortization | |
| 50,380 | | |
| 3,102 | | |
| 689 | | |
| 814 | | |
| 54,985 | |
| Currency translation adjustments | |
| (7,332 | ) | |
| (452 | ) | |
| (86 | ) | |
| (155 | ) | |
| (8,025 | ) |
| At December 31, 2024 | |
| 254,767 | | |
| 15,684 | | |
| 2,981 | | |
| 5,286 | | |
| 278,718 | |
| Amortization | |
| - | | |
| - | | |
| 705 | | |
| 835 | | |
| 1,540 | |
| Currency translation adjustments | |
| 15,119 | | |
| 931 | | |
| 189 | | |
| 328 | | |
| 16,567 | |
| At December 31, 2025 | |
| 269,886 | | |
| 16,615 | | |
| 3,875 | | |
| 6,449 | | |
| 296,825 | |
| | |
| | | |
| | | |
| | | |
| | | |
| | |
| Net book value | |
| | | |
| | | |
| | | |
| | | |
| | |
| At December 31, 2024 | |
| - | | |
| - | | |
| 6,600 | | |
| 2,725 | | |
| 9,325 | |
| | |
| | | |
| | | |
| | | |
| | | |
| | |
| At December 31, 2025 | |
| - | | |
| - | | |
| 6,274 | | |
| 2,039 | | |
| 8,313 | |
There was no impairment of intangible
assets recorded for the years ended December 31, 2025, 2024 and 2023.
|