Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
164,317,000
EUR
|
156,034,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
10,728,000
EUR
|
5,030,000
EUR
|
— |
| Trade and other non-current receivables [abstract] | |||
| Non-current receivables due from related parties |
2,964,000
EUR
|
3,071,000
EUR
|
— |
| Other non-current receivables |
21,510,000
EUR
|
10,236,000
EUR
|
— |
| Non-current prepayments and non-current accrued income including non-current contract assets [abstract] | |||
| Non-current accrued income including non-current contract assets [abstract] | |||
| Non-current contract assets |
6,315,000
EUR
|
3,318,000
EUR
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current derivative financial assets |
537,000
EUR
|
2,987,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
66,003,000
EUR
|
61,065,000
EUR
|
— |
| Current receivables due from related parties |
14,819,000
EUR
|
20,155,000
EUR
|
— |
| Other current receivables |
17,474,000
EUR
|
43,259,000
EUR
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
158,609,000
EUR
|
116,325,000
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
98,644,000
EUR
|
102,691,000
EUR
|
114,966,000
EUR
|
| Miscellaneous current assets [abstract] | |||
| Current derivative financial assets |
7,421,000
EUR
|
0
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Non-current portion of non-current notes and debentures issued |
45,500,000
EUR
|
70,000,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings, by type [abstract] | |||
| Current notes and debentures issued and current portion of non-current notes and debentures issued |
24,500,000
EUR
|
0
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 | — | — | — |
| Non-current government grants |
6,434,000
EUR
|
7,266,000
EUR
|
— |
| Trade and other current payables [abstract] | |||
| Current payables to related parties |
9,560,000
EUR
|
12,016,000
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 |
24,096,000
EUR
|
19,350,000
EUR
|
— |
| Current deferred income other than current contract liabilities | — | — | — |
| Current government grants |
1,048,000
EUR
|
1,009,000
EUR
|
— |
| Trade and other current payables |
94,405,000
EUR
|
66,655,000
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Other non-current liabilities |
6,453,000
EUR
|
1,970,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Current derivative financial liabilities |
0
EUR
|
16,536,000
EUR
|
— |
| Other current liabilities |
22,888,000
EUR
|
13,212,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
45,790,000
EUR
|
45,790,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
44,218,000
EUR
|
53,324,000
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
745,000
EUR
|
533,000
EUR
|
— |
| Miscellaneous equity [abstract] | |||
| Additional paid-in capital |
221,459,000
EUR
|
221,459,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
706,481,000
EUR
|
654,025,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
387,329,000
EUR
|
355,140,000
EUR
|
— |
| Current liabilities |
303,127,000
EUR
|
291,424,000
EUR
|
— |
| Assets less current liabilities [abstract] |