Disclosure Of Entity's Operating Segments [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 entity's operating segments [text block] |  | — | — | — | — | 
| Disclosure of operating segments [text block] | — | — | — | — | — | 
| Disclosure of operating segments [abstract] | |||||
| Disclosure of operating segments [line items] | |||||
| Depreciation and amortisation expense | 
                                                954,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
                                                899,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | 
| Tax expense (income) | 
                                                -
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
                                                -
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | 
| Profit (loss) before tax | 
                                                803,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
                                                1,478,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | 
| Assets | — | 
                                                8,134,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
                                                9,660,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                11,012,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Cash flows from (used in) operating activities | 
                                                134,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
                                                698,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | 
| Cash flows from (used in) investing activities | 
                                                131,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
                                                11,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | 
| Cash flows from (used in) financing activities | 
                                                -
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
                                                -
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — |