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Finance Costs (Tables)
 12 Months Ended
Dec. 31, 2022
Finance Costs [Abstract]  
Summary of Finance Costs
    
For the year ended December 31,
  
    
2020
     
2021
     
2022
  
    
HK$
     
HK$
     
HK$
  
Interests on margin loans payable
      12,475,296        —          —    
Interests on convertible bond
      7,717,348        8,085,419        430,702  
Interests on bank borrowings
      1,317,435        4,740,504        6,298,576  
    
 
 
     
 
 
     
 
 
  
       21,510,079        12,825,923        6,729,278