Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
3,947,000
EUR
|
4,915,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
444,000
EUR
|
260,000
EUR
|
— |
| Goodwill |
7,487,000
EUR
|
7,487,000
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
-
EUR
|
-
EUR
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Other non-current assets |
668,000
EUR
|
525,000
EUR
|
— |
| Trade and other receivables [abstract] | |||
| Trade and other receivables |
63,916,000
EUR
|
70,362,000
EUR
|
— |
| Categories of non-current financial assets [abstract] | |||
| Non-current financial assets |
5,473,000
EUR
|
5,337,000
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
62,056,000
EUR
|
63,605,000
EUR
|
113,610,000
EUR
|
| Miscellaneous current assets [abstract] | |||
| Other current assets |
25,108,000
EUR
|
25,769,000
EUR
|
— |
| Trade and other current payables [abstract] | |||
| Current payables on social security and taxes other than income tax |
27,792,000
EUR
|
31,446,000
EUR
|
— |
| Trade and other payables [abstract] | |||
| Accruals and deferred income including contract liabilities [abstract] | |||
| Deferred income including contract liabilities [abstract] | |||
| Deferred income including contract liabilities |
37,449,000
EUR
|
33,781,000
EUR
|
— |
| Trade and other payables |
310,201,000
EUR
|
298,990,000
EUR
|
— |
| Categories of non-current financial liabilities [abstract] | |||
| Non-current financial liabilities |
8,359,000
EUR
|
13,933,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Other current liabilities |
844,000
EUR
|
1,602,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
1,236,000
EUR
|
1,216,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings, profit (loss) for reporting period |
25,889,000
EUR
|
57,666,000
EUR
|
— |
| Retained earnings, excluding profit (loss) for reporting period |
700,410,000
EUR
|
654,079,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
184,138,000
EUR
|
194,996,000
EUR
|
— |
| Liabilities |
425,600,000
EUR
|
420,978,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
151,080,000
EUR
|
159,736,000
EUR
|
— |
| Current liabilities |
403,951,000
EUR
|
391,448,000
EUR
|
— |
| Assets less current liabilities [abstract] |