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 |
90,816,000
EUR
|
93,711,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
5,213,000
EUR
|
5,243,000
EUR
|
— |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | |||
| Investments in subsidiaries reported in separate financial statements |
-
EUR
|
-
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
57,000
EUR
|
57,000
EUR
|
— |
| Trade and other non-current receivables [abstract] | |||
| Trade and other non-current receivables |
536,000
EUR
|
518,000
EUR
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Other non-current assets |
1,718,000
EUR
|
1,299,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
10,118,000
EUR
|
7,832,000
EUR
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
28,663,000
EUR
|
35,241,000
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
3,455,000
EUR
|
3,337,000
EUR
|
2,446,000
EUR
|
| Miscellaneous current assets [abstract] | |||
| Other current assets |
3,390,000
EUR
|
2,541,000
EUR
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
14,640,000
EUR
|
37,160,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings |
64,007,000
EUR
|
32,638,000
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| 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 |
4,691,000
EUR
|
4,463,000
EUR
|
— |
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
27,721,000
EUR
|
25,352,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Other current liabilities |
5,639,000
EUR
|
5,180,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
67,203,000
EUR
|
66,617,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
33,060,000
EUR
|
14,654,000
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Revaluation surplus |
15,613,000
EUR
|
13,565,000
EUR
|
— |
| Miscellaneous equity [abstract] | |||
| Reserve of share-based payments |
2,893,000
EUR
|
2,829,000
EUR
|
— |
| Statutory reserve |
2,041,000
EUR
|
2,041,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
228,681,000
EUR
|
231,418,000
EUR
|
— |
| Liabilities |
166,890,000
EUR
|
153,885,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
68,699,000
EUR
|
68,834,000
EUR
|
— |
| Current liabilities |
105,222,000
EUR
|
70,649,000
EUR
|
— |
| Assets less current liabilities [abstract] |