Issued Shares
| Concept | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | 
|---|---|---|---|---|---|---|---|
| Issued shares | |||||||
| Issued shares | |||||||
| Number of shares | 
                                                122,800
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                38,500,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                35,499,200
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                2,878,000
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Number of voting rights | — | 
                                                
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | 
                                                354,992
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                354,992
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | — | — | 
| Description | 
                                                1単元(100株)未満の株式
                                                
                                             |  |  | — |  |  |  |