Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2024-12-31 |
As at 2023-12-31 |
|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||
| Property, plant and equipment [abstract] | ||
| Property, plant and equipment |
92,183,000
EUR
|
91,507,000
EUR
|
| Intangible assets and goodwill [abstract] | ||
| Intangible assets other than goodwill [abstract] | ||
| Intangible assets other than goodwill |
9,540,000
EUR
|
9,572,000
EUR
|
| Goodwill |
2,391,000
EUR
|
2,391,000
EUR
|
| Investment property [abstract] | ||
| Investment property |
3,217,000
EUR
|
3,256,000
EUR
|
| Investments accounted for using equity method [abstract] | ||
| Investments in associates accounted for using equity method |
10,812,000
EUR
|
11,872,000
EUR
|
| Trade and other current receivables [abstract] | ||
| Current trade receivables |
25,045,000
EUR
|
21,534,000
EUR
|
| Current prepayments and current accrued income other than current contract assets [abstract] | ||
| Current prepayments [abstract] | ||
| Current prepaid expenses |
629,000
EUR
|
660,000
EUR
|
| Current accrued income other than current contract assets |
432,000
EUR
|
403,000
EUR
|
| Other current receivables |
3,126,000
EUR
|
6,092,000
EUR
|
| Current prepayments and current accrued income including current contract assets [abstract] | ||
| Current accrued income including current contract assets [abstract] | ||
| Classes of current inventories [abstract] | ||
| Current inventories |
23,464,000
EUR
|
32,288,000
EUR
|
| Classes of current inventories, alternative [abstract] | ||
| Cash and cash equivalents [abstract] | ||
| Cash and cash equivalents |
4,262,000
EUR
|
4,042,000
EUR
|
| Non-current portion of non-current borrowings, by type [abstract] | ||
| Non-current portion of non-current loans received |
17,850,000
EUR
|
30,566,000
EUR
|
| Current borrowings and current portion of non-current borrowings, by type [abstract] | ||
| Current loans received and current portion of non-current loans received |
26,756,000
EUR
|
19,359,000
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 |
1,000
EUR
|
37,000
EUR
|
| Trade and other current payables [abstract] | ||
| Current trade payables |
22,471,000
EUR
|
20,977,000
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 advances received, representing current contract liabilities for performance obligations satisfied at point in time |
5,938,000
EUR
|
10,339,000
EUR
|
| Other current payables |
3,948,000
EUR
|
4,570,000
EUR
|
| Issued capital [abstract] | ||
| Issued capital |
54,595,000
EUR
|
54,595,000
EUR
|
| Retained earnings [abstract] | ||
| Retained earnings |
20,194,000
EUR
|
18,668,000
EUR
|
| Net assets (liabilities) [abstract] | ||
| Assets |
180,879,000
EUR
|
189,136,000
EUR
|
| Liabilities |
81,971,000
EUR
|
90,672,000
EUR
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
56,958,000
EUR
|
65,019,000
EUR
|
| Current liabilities |
61,334,000
EUR
|
57,171,000
EUR
|
| Assets less current liabilities [abstract] |