Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept | As at 2024-08-31 | As at 2023-08-31 | 
|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||
| Intangible assets and goodwill [abstract] | ||
| Intangible assets other than goodwill [abstract] | ||
| Intangible assets other than goodwill | 
                                                14 549
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                2 898
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Goodwill | 
                                                2 211
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                2 211
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Miscellaneous non-current assets [abstract] | ||
| Other non-current assets | 
                                                533,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                381,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Trade and other current receivables [abstract] | ||
| Current trade receivables | 
                                                22 347
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                27 663
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Classes of current inventories [abstract] | ||
| Current inventories | 
                                                66 481
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                69 828
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Classes of current inventories, alternative [abstract] | ||
| Cash and cash equivalents [abstract] | ||
| Cash and cash equivalents | 
                                                50 167
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                63 143
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Miscellaneous current assets [abstract] | ||
| Other current assets | 
                                                19 144
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                13 709
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Trade and other current payables [abstract] | ||
| Current trade payables | 
                                                15 761
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                26 542
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Miscellaneous non-current liabilities [abstract] | ||
| Other non-current liabilities | 
                                                219,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                280,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Miscellaneous current liabilities [abstract] | ||
| Other current liabilities | 
                                                53 195
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                74 008
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Issued capital [abstract] | ||
| Issued capital | 
                                                15 353
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                15 353
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Retained earnings [abstract] | ||
| Retained earnings, profit (loss) for reporting period | 
                                                29 681
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                19 350
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Accumulated other comprehensive income [abstract] | ||
| Accumulated other comprehensive income | 
                                                1,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                3,000
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Net assets (liabilities) [abstract] | ||
| Assets | 
                                                225 890
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                210 338
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Net current assets (liabilities) [abstract] | ||
| Current assets | 
                                                158 140
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                174 343
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Current liabilities | 
                                                90 565
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
                                                112 753
                                                
                                                    
                                                        EUR
                                                    
                                                
                                             | 
| Assets less current liabilities [abstract] |