XML 162 R149.htm IDEA: XBRL DOCUMENT v3.23.1
Financial risk management objectives and policies - Disclosure of maturity analysis for non-derivative financial liabilities (Detail) - HKD ($)
Dec. 31, 2022
Dec. 31, 2021
Disclosure of maturity analysis for non-derivative financial liabilities [line items]    
Accounts payable $ 82,315,173 $ 155,020,918
Bank borrowings 162,248,311 393,558,087
Financial liabilities included in other payables and accruals 102,788,191 72,107,680
Convertible bonds   125,319,026
Non-derivative financial liabilities, undiscounted cash flows $ 347,351,675 $ 746,005,711
Weighted average interest rate 6.30% 2.10%
Convertible Bond [Member]    
Disclosure of maturity analysis for non-derivative financial liabilities [line items]    
Weighted average interest rate   7.80%
Bank borrowings [Member]    
Disclosure of maturity analysis for non-derivative financial liabilities [line items]    
Weighted average interest rate 6.30% 2.10%
On demand or less than 3 months [member]    
Disclosure of maturity analysis for non-derivative financial liabilities [line items]    
Accounts payable $ 82,315,173 $ 155,020,918
Bank borrowings 158,011,249 390,926,836
Financial liabilities included in other payables and accruals 102,788,191 72,107,680
Non-derivative financial liabilities, undiscounted cash flows 343,114,613 618,055,434
3 months to 1 year [member]    
Disclosure of maturity analysis for non-derivative financial liabilities [line items]    
Bank borrowings 622,237 2,631,251
Non-derivative financial liabilities, undiscounted cash flows 622,237 2,631,251
1 to 5 years [member]    
Disclosure of maturity analysis for non-derivative financial liabilities [line items]    
Bank borrowings 3,614,825  
Convertible bonds   125,319,026
Non-derivative financial liabilities, undiscounted cash flows $ 3,614,825 $ 125,319,026