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Bank Borrowings - Additional Information (Detail)
 12 Months Ended
Dec. 31, 2022
HKD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2022
EUR (€)
Dec. 31, 2021
HKD ($)
Dec. 31, 2021
USD ($)
Disclosure of detailed information about borrowings [line items]          
Borrowings, interest rate 6.30% 6.30% 6.30% 2.10% 2.10%
Borrowings $ 160,479,101     $ 388,870,500  
Banking facilities granted to the Group 160,645,400 $ 20,068,000 € 500,000 389,815,000 $ 50,000,000
repayable of current unsecured bank borrowings 156,910,059     388,870,500  
repayable of Noncurrent unsecured bank borrowings $ 3,569,042     0  
Borrowings, Maturity more than one year but within 5 years        
Not later than one year [member]          
Disclosure of detailed information about borrowings [line items]          
repayable of current unsecured bank borrowings $ 156,910,059     388,870,500  
Later than one year [member]          
Disclosure of detailed information about borrowings [line items]          
repayable of Noncurrent unsecured bank borrowings $ 3,569,042