Profit Or Loss [Abstract]
| Concept | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2024-01-01 to 2024-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 
|---|---|---|---|---|---|---|---|---|
| Profit or loss [abstract] | ||||||||
| Profit (loss) [abstract] | ||||||||
| Employee benefits expense | — | 
                                                1,083,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                1,150,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | 
| Depreciation and amortisation expense | — | 
                                                954,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                899,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | 
| Other expenses, by nature | — | 
                                                628,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                713,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | 
| Profit (loss) from operating activities | — | 
                                                908,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                1,519,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | 
| Profit (loss) before tax | — | 
                                                803,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                1,478,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | 
| Tax expense (income) | — | 
                                                -
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | — | 
                                                -
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | — | 
| Profit (loss), attributable to [abstract] | ||||||||
| Profit (loss), attributable to owners of parent | 
                                                -
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                803,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                -
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                803,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                -
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                1,478,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                1,478,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                -
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Earnings per share [text block] | — | — | — | — | — | — | — | — | 
| Earnings per share [abstract] | ||||||||
| Earnings per share [line items] | ||||||||
| Basic earnings per share [abstract] | ||||||||
| Basic earnings (loss) per share | — | 
                                                0.03
                                                
                                             | — | — | — | 
                                                0.06
                                                
                                             | — | — | 
| Diluted earnings per share [abstract] | ||||||||
| Diluted earnings (loss) per share | — | 
                                                0.03
                                                
                                             | — | — | — | 
                                                0.06
                                                
                                             | — | — |