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Intangible assets (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Disclosure of detailed information about intangible assets [line items] |  |
Beginning balance | $ 23,826,282 |
Ending balance | 14,785,875 | $ 23,826,282
Acquisition and manufacturing costs |  |
Disclosure of detailed information about intangible assets [line items] |  |
Beginning balance | 30,127,240 | 27,365,939
Additions | 1,394,553 | 2,865,315
Exchange differences | (4,972,308) | (104,014)
Additions from acquisition (note 33(C)) | 14,511,897 |
Disposals | (3,296,292) |
Ending balance | 37,765,090 | 30,127,240
Accumulated depreciation and impairment loss |  |
Disclosure of detailed information about intangible assets [line items] |  |
Beginning balance | 6,300,958 | 3,270,439
Exchange differences | (1,458,129) | (28,008)
Additions from acquisition (note 33(C)) | 685,508 |
Charge for the year | 1,556,091 | 3,058,527
Written back on disposal | (3,214,793) |
Impairment loss (note 8(c)) | 19,109,580 |
Ending balance | 22,979,215 | 6,300,958
Website and mobile apps |  |
Disclosure of detailed information about intangible assets [line items] |  |
Beginning balance | 241,561 |
Ending balance | 60,632 | 241,561
Website and mobile apps | Acquisition and manufacturing costs |  |
Disclosure of detailed information about intangible assets [line items] |  |
Beginning balance | 1,351,053 | 1,135,941
Additions | 42,968 | 221,594
Exchange differences | (16,656) | (6,482)
Additions from acquisition (note 33(C)) | 0 |
Disposals | (165,048) |
Ending balance | 1,212,317 | 1,351,053
Website and mobile apps | Accumulated depreciation and impairment loss |  |
Disclosure of detailed information about intangible assets [line items] |  |
Beginning balance | 1,109,492 | 1,044,221
Exchange differences | (496) | (94)
Charge for the year | 126,238 | 65,365
Written back on disposal | (83,549) |
Ending balance | 1,151,685 | 1,109,492
Trademark and technology |  |
Disclosure of detailed information about intangible assets [line items] |  |
Beginning balance | 21,421,342 |
Ending balance | 12,945,558 | 21,421,342
Trademark and technology | Acquisition and manufacturing costs |  |
Disclosure of detailed information about intangible assets [line items] |  |
Beginning balance | 26,119,306 | 26,092,571
Additions | 19,141 | 124,267
Exchange differences | (4,950,867) | (97,532)
Additions from acquisition (note 33(C)) | 12,900,000 |
Disposals | 0 |
Ending balance | 34,087,580 | 26,119,306
Trademark and technology | Accumulated depreciation and impairment loss |  |
Disclosure of detailed information about intangible assets [line items] |  |
Beginning balance | 4,697,964 | 2,222,401
Exchange differences | (1,460,221) | (27,914)
Charge for the year | 757,212 | 2,503,477
Impairment loss (note 8(c)) | 17,147,067 |
Ending balance | 21,142,022 | 4,697,964
Products development cost |  |
Disclosure of detailed information about intangible assets [line items] |  |
Beginning balance | 2,163,379 |
Ending balance |  | 2,163,379
Products development cost | Acquisition and manufacturing costs |  |
Disclosure of detailed information about intangible assets [line items] |  |
Beginning balance | 2,656,881 | 137,427
Additions | 484,966 | 2,519,454
Exchange differences | (10,603) |
Additions from acquisition (note 33(C)) | 0 |
Disposals | (3,131,244) |
Ending balance |  | 2,656,881
Products development cost | Accumulated depreciation and impairment loss |  |
Disclosure of detailed information about intangible assets [line items] |  |
Beginning balance | 493,502 | 3,817
Exchange differences | 2,588 | 0
Charge for the year | 672,641 | 489,685
Written back on disposal | (3,131,244) |
Impairment loss (note 8(c)) | 1,962,513 |
Ending balance |  | $ 493,502
Customer relationship [Member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Ending balance | 800,000 |
Customer relationship [Member] | Acquisition and manufacturing costs |  |
Disclosure of detailed information about intangible assets [line items] |  |
Additions from acquisition (note 33(C)) | 800,000 |
Ending balance | 800,000 |
Computer software [member] |  |
Disclosure of detailed information about intangible assets [line items] |  |
Ending balance | 979,685 |
Computer software [member] | Acquisition and manufacturing costs |  |
Disclosure of detailed information about intangible assets [line items] |  |
Additions | 847,478 |
Exchange differences | 5,818 |
Additions from acquisition (note 33(C)) | 811,897 |
Ending balance | 1,665,193 |
Computer software [member] | Accumulated depreciation and impairment loss |  |
Disclosure of detailed information about intangible assets [line items] |  |
Additions from acquisition (note 33(C)) | 685,508 |
Ending balance | $ 685,508 |

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