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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Property, plant and equipment | — | — | — | — |
18,221,000
EUR
|
— |
19,664,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — | — |
5,828,000
EUR
|
— |
5,836,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — |
51,246,000
EUR
|
— |
50,114,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — |
7,415,000
EUR
|
— |
7,416,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — |
8,331,000
EUR
|
— |
13,320,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — |
157,659,000
EUR
|
— |
169,656,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital | — | — | — | — |
12,941,000
EUR
|
— |
12,941,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — |
67,433,000
EUR
|
— |
75,561,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — |
107,585,000
EUR
|
— |
115,774,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
12,941,000
EUR
|
1,257,000
EUR
|
67,433,000
EUR
|
25,953,000
EUR
|
107,585,000
EUR
|
0
EUR
|
115,774,000
EUR
|
0
EUR
|
75,561,000
EUR
|
12,941,000
EUR
|
25,953,000
EUR
|
1,318,000
EUR
|
76,814,000
EUR
|
25,953,000
EUR
|
116,815,000
EUR
|
0
EUR
|
1,106,000
EUR
|
12,941,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||
| Deferred tax liabilities | — | — | — | — |
114,000
EUR
|
— |
156,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — |
50,075,000
EUR
|
— |
53,882,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — |
157,659,000
EUR
|
— |
169,656,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |