| 2020-12-01 |                    
                                
                                     Low Floor
                                                                     |               
                                2,703 sq.ft |       
                                 Leased  |  
                                 HK$30 psf / HK$ 81,870 mth  | 
                            
   
                                                        
                                | 2019-10-16 |                    
                                
                                     High Floor 
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$48 psf / HK$ 38,045 mth  | 
                            
   
                                                        
                                | 2018-12-17 |                    
                                
                                     Mid Floor 
                                                                     |               
                                668 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 22,712 mth  | 
                            
   
                                                        
                                | 2018-12-17 |                    
                                
                                     Mid Floor 
                                                                     |               
                                808 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 27,472 mth  | 
                            
   
                                                        
                                | 2018-12-17 |                    
                                
                                     Low Floor
                                                                     |               
                                668 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 22,712 mth  | 
                            
   
                                                        
                                | 2018-10-16 |                    
                                
                                     Mid Floor 
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$35 psf / HK$ 38,045 mth  | 
                            
   
                                                        
                                | 2018-10-16 |                    
                                
                                     Low Floor
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$35 psf / HK$ 38,045 mth  | 
                            
   
                                                        
                                | 2018-10-16 |                    
                                
                                     Low Floor
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$35 psf / HK$ 38,045 mth  | 
                            
   
                                                        
                                | 2018-10-16 |                    
                                
                                     Mid Floor 
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$35 psf / HK$ 38,045 mth  | 
                            
   
                                                        
                                | 2018-10-16 |                    
                                
                                     Low Floor
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$35 psf / HK$ 38,045 mth  | 
                            
   
                                                        
                                | 2018-10-16 |                    
                                
                                     Low Floor
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$35 psf / HK$ 38,045 mth  | 
                            
   
                                                        
                                | 2018-09-18 |                    
                                
                                     Low Floor
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 36,958 mth  | 
                            
   
                                                        
                                | 2018-05-24 |                    
                                
                                     High Floor 
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 36,958 mth  | 
                            
   
                                                        
                                | 2018-05-24 |                    
                                
                                     Mid Floor 
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 36,958 mth  | 
                            
   
                                                        
                                | 2018-05-24 |                    
                                
                                     High Floor 
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 36,958 mth  | 
                            
   
                                                        
                                | 2018-05-24 |                    
                                
                                     Mid Floor 
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 36,958 mth  | 
                            
   
                                                        
                                | 2018-05-24 |                    
                                
                                     Mid Floor 
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 36,958 mth  | 
                            
   
                                                        
                                | 2018-02-28 |                    
                                
                                     High Floor 
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 36,958 mth  | 
                            
   
                                                        
                                | 2018-01-26 |                    
                                
                                     High Floor 
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 36,958 mth  | 
                            
   
                                                        
                                | 2017-11-13 |                    
                                
                                     Mid Floor 
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 36,958 mth  | 
                            
   
                                                        
                                | 2017-11-13 |                    
                                
                                     Low Floor
                                                                     |               
                                2,703 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 91,902 mth  | 
                            
   
                                                        
                                | 2017-09-20 |                    
                                
                                     Low Floor
                                                                     |               
                                998 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 33,932 mth  | 
                            
   
                                                        
                                | 2017-09-20 |                    
                                
                                     Mid Floor 
                                                                     |               
                                668 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 22,712 mth  | 
                            
   
                                                        
                                | 2017-09-20 |                    
                                
                                     Mid Floor 
                                                                     |               
                                808 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 27,472 mth  | 
                            
   
                                                        
                                | 2017-09-20 |                    
                                
                                     Low Floor
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 36,958 mth  | 
                            
   
                                                        
                                | 2017-03-20 |                    
                                
                                     Mid Floor 
                                                                     |               
                                2,593 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 88,162 mth  | 
                            
   
                                                        
                                | 2017-03-20 |                    
                                
                                     Mid Floor 
                                                                     |               
                                808 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 27,472 mth  | 
                            
   
                                                        
                                | 2017-03-08 |                    
                                
                                     Mid Floor 
                                                                     |               
                                1,895 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 64,430 mth  | 
                            
   
                                                        
                                | 2017-03-08 |                    
                                
                                     Mid Floor 
                                                                     |               
                                808 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 27,472 mth  | 
                            
   
                                                        
                                | 2016-09-07 |                    
                                
                                     Mid Floor 
                                                                     |               
                                808 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 27,472 mth  | 
                            
   
                                                        
                                | 2016-09-06 |                    
                                
                                     High Floor 
                                                                     |               
                                672 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 22,848 mth  | 
                            
   
                                                        
                                | 2016-09-06 |                    
                                
                                     High Floor 
                                                                     |               
                                672 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 22,848 mth  | 
                            
   
                                                        
                                | 2016-09-06 |                    
                                
                                     Mid Floor 
                                                                     |               
                                672 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 22,848 mth  | 
                            
   
                                                        
                                | 2016-09-06 |                    
                                
                                     Mid Floor 
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 36,958 mth  | 
                            
   
                                                        
                                | 2016-09-06 |                    
                                
                                     Mid Floor 
                                                                     |               
                                1,895 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 64,430 mth  | 
                            
   
                                                        
                                | 2016-03-09 |                    
                                
                                     Mid Floor 
                                                                     |               
                                672 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 22,848 mth  | 
                            
   
                                                        
                                | 2016-02-25 |                    
                                
                                     Mid Floor 
                                                                     |               
                                672 sq.ft |       
                                 Leased  |  
                                 HK$34 psf / HK$ 22,848 mth  | 
                            
   
                                                        
                                | 2015-12-29 |                    
                                
                                     Mid Floor 
                                                                     |               
                                1,921 sq.ft |       
                                 Leased  |  
                                 HK$30 psf / HK$ 57,630 mth  | 
                            
   
                                                        
                                | 2015-01-15 |                    
                                
                                     Low Floor
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$29 psf / HK$ 31,523 mth  | 
                            
   
                                                        
                                | 2015-01-15 |                    
                                
                                     Low Floor
                                                                     |               
                                2,427 sq.ft |       
                                 Leased  |  
                                 HK$29 psf / HK$ 70,383 mth  | 
                            
   
                                                        
                                | 2014-09-03 |                    
                                
                                     High Floor 
                                                                     |               
                                808 sq.ft |       
                                 Leased  |  
                                 HK$30 psf / HK$ 24,240 mth  | 
                            
   
                                                        
                                | 2014-09-03 |                    
                                
                                     Mid Floor 
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$30 psf / HK$ 32,610 mth  | 
                            
   
                                                        
                                | 2014-09-03 |                    
                                
                                     Mid Floor 
                                                                     |               
                                672 sq.ft |       
                                 Leased  |  
                                 HK$29 psf / HK$ 19,488 mth  | 
                            
   
                                                        
                                | 2014-05-09 |                    
                                
                                     Mid Floor 
                                                                     |               
                                808 sq.ft |       
                                 Leased  |  
                                 HK$30 psf / HK$ 24,240 mth  | 
                            
   
                                                        
                                | 2014-05-09 |                    
                                
                                     High Floor 
                                                                     |               
                                668 sq.ft |       
                                 Leased  |  
                                 HK$30 psf / HK$ 20,040 mth  | 
                            
   
                                                        
                                | 2014-05-09 |                    
                                
                                     Mid Floor 
                                                                     |               
                                808 sq.ft |       
                                 Leased  |  
                                 HK$30 psf / HK$ 24,240 mth  | 
                            
   
                                                        
                                | 2014-03-25 |                    
                                
                                     High Floor 
                                                                     |               
                                672 sq.ft |       
                                 Leased  |  
                                 HK$29 psf / HK$ 19,488 mth  | 
                            
   
                                                        
                                | 2014-03-25 |                    
                                
                                     Mid Floor 
                                                                     |               
                                808 sq.ft |       
                                 Leased  |  
                                 HK$29 psf / HK$ 23,432 mth  | 
                            
   
                                                        
                                | 2014-03-25 |                    
                                
                                     Mid Floor 
                                                                     |               
                                668 sq.ft |       
                                 Leased  |  
                                 HK$29 psf / HK$ 19,372 mth  | 
                            
   
                                                        
                                | 2014-03-25 |                    
                                
                                     Low Floor
                                                                     |               
                                668 sq.ft |       
                                 Leased  |  
                                 HK$29 psf / HK$ 19,372 mth  | 
                            
   
                                                        
                                | 2013-12-31 |                    
                                
                                     Mid Floor 
                                                                     |               
                                808 sq.ft |       
                                 Leased  |  
                                 HK$29 psf / HK$ 23,432 mth  | 
                            
   
                                                        
                                | 2013-12-02 |                    
                                
                                     High Floor 
                                                                     |               
                                668 sq.ft |       
                                 Leased  |  
                                 HK$29 psf / HK$ 19,372 mth  | 
                            
   
                                                        
                                | 2013-11-20 |                    
                                
                                     Mid Floor 
                                                                     |               
                                4,043 sq.ft |       
                                 Leased  |  
                                 HK$29 psf / HK$ 117,247 mth  | 
                            
   
                                                        
                                | 2013-10-08 |                    
                                
                                     High Floor 
                                                                     |               
                                808 sq.ft |       
                                 Leased  |  
                                 HK$29 psf / HK$ 23,432 mth  | 
                            
   
                                                        
                                | 2013-03-27 |                    
                                
                                     Low Floor
                                                                     |               
                                672 sq.ft |       
                                 Leased  |  
                                 HK$26 psf / HK$ 17,472 mth  | 
                            
   
                                                        
                                | 2013-02-07 |                    
                                
                                     Low Floor
                                                                     |               
                                668 sq.ft |       
                                 Leased  |  
                                 HK$26 psf / HK$ 17,368 mth  | 
                            
   
                                                        
                                | 2013-02-07 |                    
                                
                                     Low Floor
                                                                     |               
                                540 sq.ft |       
                                 Leased  |  
                                 HK$26 psf / HK$ 14,040 mth  | 
                            
   
                                                        
                                | 2013-01-09 |                    
                                
                                     High Floor 
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$26 psf / HK$ 28,262 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Low Floor
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$19 psf / HK$ 20,653 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Mid Floor 
                                                                     |               
                                1,921 sq.ft |       
                                 Leased  |  
                                 HK$20 psf / HK$ 38,420 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Mid Floor 
                                                                     |               
                                808 sq.ft |       
                                 Leased  |  
                                 HK$19 psf / HK$ 15,352 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     High Floor 
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$19 psf / HK$ 20,653 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Mid Floor 
                                                                     |               
                                672 sq.ft |       
                                 Leased  |  
                                 HK$20 psf / HK$ 13,440 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     High Floor 
                                                                     |               
                                1,895 sq.ft |       
                                 Leased  |  
                                 HK$19 psf / HK$ 36,005 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Mid Floor 
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$20 psf / HK$ 21,740 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Mid Floor 
                                                                     |               
                                668 sq.ft |       
                                 Leased  |  
                                 HK$19 psf / HK$ 12,692 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Mid Floor 
                                                                     |               
                                808 sq.ft |       
                                 Leased  |  
                                 HK$20 psf / HK$ 16,160 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Mid Floor 
                                                                     |               
                                808 sq.ft |       
                                 Leased  |  
                                 HK$19 psf / HK$ 15,352 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Mid Floor 
                                                                     |               
                                1,921 sq.ft |       
                                 Leased  |  
                                 HK$20 psf / HK$ 38,420 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Low Floor
                                                                     |               
                                808 sq.ft |       
                                 Leased  |  
                                 HK$19 psf / HK$ 15,352 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Mid Floor 
                                                                     |               
                                668 sq.ft |       
                                 Leased  |  
                                 HK$20 psf / HK$ 13,360 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     High Floor 
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$19 psf / HK$ 20,653 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Low Floor
                                                                     |               
                                668 sq.ft |       
                                 Leased  |  
                                 HK$20 psf / HK$ 13,360 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     High Floor 
                                                                     |               
                                668 sq.ft |       
                                 Leased  |  
                                 HK$20 psf / HK$ 13,360 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     High Floor 
                                                                     |               
                                1,921 sq.ft |       
                                 Leased  |  
                                 HK$20 psf / HK$ 38,420 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     High Floor 
                                                                     |               
                                672 sq.ft |       
                                 Leased  |  
                                 HK$26 psf / HK$ 17,472 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Low Floor
                                                                     |               
                                998 sq.ft |       
                                 Leased  |  
                                 HK$20 psf / HK$ 19,960 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Mid Floor 
                                                                     |               
                                1,921 sq.ft |       
                                 Leased  |  
                                 HK$20 psf / HK$ 38,420 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Mid Floor 
                                                                     |               
                                5,182 sq.ft |       
                                 Leased  |  
                                 HK$20 psf / HK$ 103,640 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     High Floor 
                                                                     |               
                                2,603 sq.ft |       
                                 Leased  |  
                                 HK$25 psf / HK$ 64,711 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Mid Floor 
                                                                     |               
                                808 sq.ft |       
                                 Leased  |  
                                 HK$20 psf / HK$ 15,756 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Mid Floor 
                                                                     |               
                                668 sq.ft |       
                                 Leased  |  
                                 HK$20 psf / HK$ 13,360 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Mid Floor 
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$20 psf / HK$ 21,740 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Mid Floor 
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$20 psf / HK$ 21,740 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Low Floor
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$26 psf / HK$ 28,262 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Mid Floor 
                                                                     |               
                                1,921 sq.ft |       
                                 Leased  |  
                                 HK$20 psf / HK$ 38,420 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     High Floor 
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$20 psf / HK$ 21,740 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Low Floor
                                                                     |               
                                668 sq.ft |       
                                 Leased  |  
                                 HK$26 psf / HK$ 17,368 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Mid Floor 
                                                                     |               
                                808 sq.ft |       
                                 Leased  |  
                                 HK$26 psf / HK$ 21,008 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Mid Floor 
                                                                     |               
                                1,921 sq.ft |       
                                 Leased  |  
                                 HK$26 psf / HK$ 49,946 mth  | 
                            
   
                                                        
                                | 2012-09-18 |                    
                                
                                     Mid Floor 
                                                                     |               
                                1,087 sq.ft |       
                                 Leased  |  
                                 HK$26 psf / HK$ 28,262 mth  |