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 |
442,148,000
EUR
|
283,604,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
3,831,000
EUR
|
1,915,000
EUR
|
— |
| Investment property [abstract] | |||
| Investment property |
520,000
EUR
|
520,000
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments in joint ventures accounted for using equity method |
99,000
EUR
|
89,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
26,263,000
EUR
|
23,330,000
EUR
|
— |
| Current receivables from taxes other than income tax | — | — | — |
| Current value added tax receivables |
—
EUR
|
7,758,000
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Current accrued income including current contract assets [abstract] | |||
| Current contract assets |
26,159,000
EUR
|
28,712,000
EUR
|
— |
| Classes of current inventories [abstract] | |||
| Current raw materials and current production supplies [abstract] | |||
| Current raw materials and current production supplies |
400,000
EUR
|
517,000
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
113,764,000
EUR
|
131,389,000
EUR
|
89,832,000
EUR
|
| Borrowings [abstract] | |||
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current portion of non-current borrowings |
7,403,000
EUR
|
—
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 contract liabilities [abstract] | |||
| Non-current contract liabilities |
35,855,000
EUR
|
71,768,000
EUR
|
— |
| Trade and other current payables [abstract] | |||
| Current trade payables |
81,390,000
EUR
|
87,324,000
EUR
|
— |
| Current accruals and current deferred income including current contract liabilities [abstract] | |||
| Current deferred income including current contract liabilities [abstract] | |||
| Current contract liabilities [abstract] | |||
| Current contract liabilities |
119,238,000
EUR
|
37,443,000
EUR
|
— |
| Current payables on social security and taxes other than income tax | — | — | — |
| Current value added tax payables |
2,967,000
EUR
|
—
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Other non-current liabilities |
319,000
EUR
|
409,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Other current liabilities |
9,656,000
EUR
|
15,782,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
5,978,000
EUR
|
5,978,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings, profit (loss) for reporting period |
1,200,000
EUR
|
10,863,000
EUR
|
— |
| Retained earnings, excluding profit (loss) for reporting period |
109,346,000
EUR
|
98,483,000
EUR
|
— |
| Miscellaneous equity [abstract] | |||
| Capital reserve |
70,710,000
EUR
|
80,500,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
738,530,000
EUR
|
600,020,000
EUR
|
— |
| Liabilities |
500,222,000
EUR
|
353,006,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
172,542,000
EUR
|
205,550,000
EUR
|
— |
| Current liabilities |
239,007,000
EUR
|
155,487,000
EUR
|
— |
| Assets less current liabilities [abstract] |