Treasury Shares, Etc.
| Concept | As at 2024-03-31 | As at 2024-03-31 | 
|---|---|---|
| Treasury shares, etc. | ||
| Treasury shares, etc. | ||
| Name of shareholder | 
                                                サンコーテクノ株式会社
                                                
                                             | — | 
| Address of shareholder | 
                                                千葉県流山市南流山三丁目10番地16
                                                
                                             | — | 
| Number of shares held in own name | 
                                                844,300
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                844,300
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Number of shares held in others' names | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Total number of shares held | 
                                                844,300
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
                                                844,300
                                                
                                                    
                                                        xbrli:shares
                                                    
                                                
                                             | 
| Shareholding ratio | 
                                                0.0965
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             | 
                                                0.0965
                                                
                                                    
                                                        xbrli:pure
                                                    
                                                
                                             |