Statement Of Financial Position [Abstract]
| Concept |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — |
29,902,000
EUR
|
— | — | — | — | — | — |
23,631,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — |
4,558,000
EUR
|
— | — | — | — | — | — |
4,529,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — |
20,415,000
EUR
|
— | — | — | — | — | — |
20,575,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — |
10,646,000
EUR
|
— | — | — | — | — | — |
13,556,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — |
199,000
EUR
|
— | — | — | — | — | — |
227,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
60,595,000
EUR
|
— | — | — | — | — | — |
59,524,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
73,546,000
EUR
|
— | — | — | — | — |
| Assets | — | — | — |
202,971,000
EUR
|
— | — | — | — | — | — |
208,435,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||
| Issued capital | — | — | — |
1,936,000
EUR
|
— | — | — | — | — | — |
1,936,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — |
174,352,000
EUR
|
— | — | — | — | — | — |
178,681,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — |
743,000
EUR
|
— | — | — | — | — | — |
743,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares | — | — | — |
6,596,000
EUR
|
— | — | — | — | — | — |
9,668,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — |
0
EUR
|
— | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
843,000
EUR
|
382,000
EUR
|
1,394,000
EUR
|
165,920,000
EUR
|
174,352,000
EUR
|
6,406,000
EUR
|
743,000
EUR
|
1,936,000
EUR
|
1,722,000
EUR
|
6,596,000
EUR
|
168,112,000
EUR
|
757,000
EUR
|
1,369,000
EUR
|
163,000
EUR
|
6,406,000
EUR
|
743,000
EUR
|
178,681,000
EUR
|
9,668,000
EUR
|
1,936,000
EUR
|
2,377,000
EUR
|
4,755,000
EUR
|
168,294,000
EUR
|
319,000
EUR
|
1,262,000
EUR
|
163,121,000
EUR
|
6,406,000
EUR
|
156,000
EUR
|
743,000
EUR
|
2,522,000
EUR
|
1,936,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — |
0
EUR
|
— | — | — | — | — | — |
367,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
202,971,000
EUR
|
— | — | — | — | — | — |
208,435,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |