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] | ||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||
| Property, plant and equipment | — | — | — |
1,259,000
EUR
|
— | — | — |
1,231,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — |
4,220,000
EUR
|
— | — | — |
4,781,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — |
32,490,000
EUR
|
— | — | — |
31,866,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — |
8,404,000
EUR
|
— | — | — |
9,251,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — |
17,000
EUR
|
— | — | — |
91,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — |
46,549,000
EUR
|
— | — | — |
47,383,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||
| Current tax assets, current | — | — | — |
826,000
EUR
|
— | — | — |
148,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
29,022,000
EUR
|
— | — | — |
36,315,000
EUR
|
— | — | — | — | — | — |
20,393,000
EUR
|
— | — | — |
| Current assets | — | — | — |
53,620,000
EUR
|
— | — | — |
58,680,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — |
100,170,000
EUR
|
— | — | — |
106,063,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital | — | — | — |
100,000
EUR
|
— | — | — |
100,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — |
16,219,000
EUR
|
— | — | — |
14,349,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Treasury shares | — | — | — |
461,000
EUR
|
— | — | — |
-
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Equity |
100,000
EUR
|
524,000
EUR
|
16,219,000
EUR
|
42,083,000
EUR
|
461,000
EUR
|
26,748,000
EUR
|
26,695,000
EUR
|
40,321,000
EUR
|
-
EUR
|
100,000
EUR
|
824,000
EUR
|
14,349,000
EUR
|
-
EUR
|
12,590,000
EUR
|
24,866,000
EUR
|
12,393,000
EUR
|
217,000
EUR
|
100,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||
| Deferred tax liabilities | — | — | — |
1,118,000
EUR
|
— | — | — |
1,315,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — |
19,366,000
EUR
|
— | — | — |
30,918,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||
| Current provisions | — | — | — |
12,000
EUR
|
— | — | — |
109,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Trade and other current payables | — | — | — |
33,612,000
EUR
|
— | — | — |
29,513,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current | — | — | — |
121,000
EUR
|
— | — | — |
444,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — |
38,721,000
EUR
|
— | — | — |
34,825,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — |
58,087,000
EUR
|
— | — | — |
65,743,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
100,170,000
EUR
|
— | — | — |
106,063,000
EUR
|
— | — | — | — | — | — | — | — | — | — |