Treasury Shares, Etc.
| Concept | As at 2024-02-29 | As at 2024-02-29 | 
|---|---|---|
| Treasury shares, etc. | ||
| Treasury shares, etc. | ||
| Name of shareholder | — | 
                                                暁飯島工業株式会社
                                                
                                             | 
| Address of shareholder | — | 
                                                茨城県水戸市千波町2770番地の5
                                                
                                             | 
| Number of shares held in own name | 
                                                175,900
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                175,900
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Number of shares held in others' names | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Total number of shares held | 
                                                175,900
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                175,900
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Shareholding ratio | 
                                                0.0800
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0800
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             |