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Interests in associates - Summary of detailed information about financial information of associates (Details)
Dec. 31, 2022
USD ($)
Disclosure of associates [line items]  
Aggregate carrying amount of individually immaterial associates in the consolidated financial statements $ 788,472
CERBACT Asia Holdings Pte. Ltd [Member]  
Disclosure of associates [line items]  
Aggregate carrying amount of individually immaterial associates in the consolidated financial statements 788,472
Aggregate amounts of the Group's share of those associates' loss and total comprehensive income $ 0