Disclosure Of Non-Current Assets Held For Sale And Discontinued Operations [Text Block]
| Concept | 2024-01-01 to 2024-12-31 | 2023-01-01 to 2023-12-31 | 
|---|---|---|
| Disclosure of non-current assets held for sale and discontinued operations [text block] | — | — | 
| Disclosure of analysis of single amount of discontinued operations [text block] | — | — | 
| Disclosure of analysis of single amount of discontinued operations [abstract] | ||
| Disclosure of analysis of single amount of discontinued operations [line items] | ||
| Profit (loss) before tax | 
                                                83,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                4,844,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Revenue | 
                                                4,698,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                4,535,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Profit (loss) from discontinued operations | 
                                                348,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                492,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Cash flows from continuing and discontinued operations [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Cash flows from (used in) operating activities | 
                                                477,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                5,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Cash flows from (used in) investing activities [abstract] | ||
| Cash flows from (used in) investing activities | 
                                                4,327,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                4,856,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Cash flows from (used in) financing activities [abstract] | ||
| Cash flows from (used in) financing activities | 
                                                3,862,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                288,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             |