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 |
29,902,000
EUR
|
23,631,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
20,415,000
EUR
|
20,575,000
EUR
|
— |
| Goodwill |
4,558,000
EUR
|
4,529,000
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
10,646,000
EUR
|
13,556,000
EUR
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Other non-current assets |
1,185,000
EUR
|
1,382,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
13,973,000
EUR
|
14,347,000
EUR
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
45,950,000
EUR
|
54,158,000
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
60,595,000
EUR
|
59,524,000
EUR
|
73,546,000
EUR
|
| Miscellaneous current assets [abstract] | |||
| Other current assets |
6,029,000
EUR
|
8,354,000
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 | — | — | — |
| Non-current government grants |
122,000
EUR
|
203,000
EUR
|
— |
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
21,911,000
EUR
|
25,594,000
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Non-current net defined benefit liability |
1,431,000
EUR
|
1,280,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Other current liabilities |
1,682,000
EUR
|
1,763,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
1,936,000
EUR
|
1,936,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
174,352,000
EUR
|
178,681,000
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Accumulated other comprehensive income |
4,515,000
EUR
|
3,580,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
202,971,000
EUR
|
208,435,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
126,548,000
EUR
|
136,382,000
EUR
|
— |
| Current liabilities |
27,885,000
EUR
|
32,112,000
EUR
|
— |
| Assets less current liabilities [abstract] |