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Bank Borrowings - Summary of currency analysis of bank borrowings (Detail) - HKD ($) | Dec. 31, 2022 | Dec. 31, 2021
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Disclosure of detailed information about borrowings [line items] |  |
Borrowings | $ 160,479,101 | $ 388,870,500
Hong Kong Dollars [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Borrowings | 0 | 116,000,000
United States Dollars [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Borrowings | 156,309,551 | 272,870,500
Euro [Member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Borrowings | $ 4,169,550 | $ 0

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