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Intangible assets (Details) - USD ($)
 12 Months Ended
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