Disclosure Of Cash Flow Statement [Text Block]
| Concept | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2022-09-30 | 
|---|---|---|---|---|---|
| Disclosure of cash flow statement [text block] | — | 
                                                7
                                                
                                             | — | — | — | 
| Description of accounting policy for determining components of cash and cash equivalents [text block] | — | 
                                                Zahlungsmittel und Zahlungsmitteläquivalente
                                                
                                             | — | — | — | 
| Cash and cash equivalents if different from statement of financial position [abstract] | |||||
| Cash and cash equivalents | 
                                                12,080
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
                                                6,900
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
                                                6,058
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Income taxes paid (refund) [abstract] | |||||
| Income taxes paid (refund), classified as operating activities | — | 
                                                2,955
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
                                                5,320
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — |