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 |
235,367,000
EUR
|
185,991,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
2,458,000
EUR
|
2,504,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current prepayments and current accrued income other than current contract assets [abstract] | |||
| Current prepayments [abstract] | |||
| Current prepayments |
12,797,000
EUR
|
7,002,000
EUR
|
— |
| Trade and other current receivables |
20,714,000
EUR
|
12,355,000
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Current accrued income including current contract assets [abstract] | |||
| Current contract assets |
433,000
EUR
|
—
EUR
|
— |
| Categories of non-current financial assets [abstract] | |||
| Non-current financial assets |
2,340,000
EUR
|
1,400,000
EUR
|
— |
| Categories of current financial assets [abstract] | |||
| Current financial assets |
150,000
EUR
|
2,020,000
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
117,416,000
EUR
|
126,604,000
EUR
|
149,538,000
EUR
|
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract] | |||
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners |
—
EUR
|
94,000
EUR
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
204,539,000
EUR
|
144,037,000
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Current borrowings and current portion of non-current borrowings, by type [abstract] | |||
| Other current borrowings and current portion of other non-current borrowings |
21,921,000
EUR
|
16,963,000
EUR
|
— |
| Trade and other non-current payables [abstract] | |||
| Non-current accruals and non-current deferred income including non-current contract liabilities [abstract] | |||
| Non-current deferred income including non-current contract liabilities [abstract] | |||
| Non-current deferred income other than non-current contract liabilities |
236,000
EUR
|
234,000
EUR
|
— |
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
21,972,000
EUR
|
15,560,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
195,000
EUR
|
193,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
127,404,000
EUR
|
101,821,000
EUR
|
— |
| Miscellaneous equity [abstract] | |||
| Statutory reserve |
820,000
EUR
|
653,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
426,695,000
EUR
|
357,539,000
EUR
|
— |
| Liabilities |
304,002,000
EUR
|
211,354,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
151,510,000
EUR
|
148,075,000
EUR
|
— |
| Current liabilities |
47,251,000
EUR
|
34,691,000
EUR
|
— |
| Assets less current liabilities [abstract] |