Disclosure Of Cash Flow Statement [Text Block]
| Concept | 
                                    
                                        2024-01-01 to 2024-12-31  | 
                            
                                
                                    
                                        As at 2024-12-31  | 
                            
                                
                                    
                                        2023-01-01 to 2023-12-31  | 
                            
                                
                                    
                                        As at 2023-12-31  | 
                            
                                
                                    
                                        As at 2022-12-31  | 
                            
                        
|---|---|---|---|---|---|
| Disclosure of cash flow statement [text block] | 
                                        
                                             
                                                Liquiditätsanalyse
                                                
                                             
                                        
                                     | 
                                
                                    — | — | — | — | 
| Description of accounting policy for determining components of cash and cash equivalents [text block] | 
                                        
                                             
                                                16
                                                
                                             
                                        
                                     | 
                                
                                    — | — | — | — | 
| Cash and cash equivalents if different from statement of financial position [abstract] | |||||
| Cash and cash equivalents | — | 
                                        
                                             
                                                195,832
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                219,383
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    
                                        
                                             
                                                165,355
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             
                                        
                                     | 
                                
                            
| Income taxes paid (refund) [abstract] | |||||
| Income taxes paid (refund), classified as operating activities | 
                                        
                                             
                                                8,975
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    — | 
                                        
                                             
                                                21,206
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             
                                        
                                     | 
                                
                                    — | — |