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Other Payables And Accruals - Additional Information (Detail) - HKD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Jan. 01, 2021
Disclosure Of Detailed Information About Accrued Expenses And Other Liabilities [Line Items]      
Contract liabilities $ 17,077,186 $ 630,962 $ 47,270,998
Revenue recognized in contract liability $ 630,962 $ 46,640,036