Disclosure Of Revenue From Contracts With Customers [Text Block]
| Concept | As at 2024-12-31 | 2024-01-01 to 2024-12-31 | As at 2023-12-31 | 
|---|---|---|---|
| Disclosure of revenue from contracts with customers [text block] | — | 
                                                Note 12 – Contract assets from development
                                                
                                             | — | 
| Contract assets [abstract] | |||
| Non-current contract assets | 
                                                2,813,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
                                                55,513,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Current contract assets | 
                                                20,328,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
                                                10,781,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Contract liabilities [abstract] | |||
| Current contract liabilities | 
                                                -
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | — | 
                                                14,473,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             |