Issued Shares
| Concept | As at 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | As at 2024-12-31 | 
|---|---|---|---|---|---|---|---|
| Issued shares | |||||||
| Issued shares | |||||||
| Number of shares | 
                                                13,500
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                8,933,400
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                9,316,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                369,100
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Number of voting rights | — | 
                                                89,334
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
                                                89,334
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
| Description | 
                                                1単元(100株)未満の株式
                                                
                                             |  |  | — |  |  |  |