Statement Of Financial Position [Abstract]
| Concept |
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 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Goodwill | — |
13 338
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
12 679
EUR
|
— | — |
15 154
EUR
|
— | — | — | — | — |
| Intangible assets other than goodwill | — |
8 487
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
7 517
EUR
|
— | — |
7 411
EUR
|
— | — | — | — | — |
| Investments accounted for using equity method | — |
228,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
226,000
EUR
|
— | — |
230,000
EUR
|
— | — | — | — | — |
| Deferred tax assets | — |
8 023
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
8 011
EUR
|
— | — |
5 804
EUR
|
— | — | — | — | — |
| Cash and cash equivalents | — |
27 837
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
45 877
EUR
|
— | — |
18 960
EUR
|
— | — | — | — | — |
| Assets | — |
150 391
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
164 455
EUR
|
— | — |
165 747
EUR
|
— | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital | — |
3 205
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
3 098
EUR
|
— | — |
3 098
EUR
|
— | — | — | — | — |
| Treasury shares | — |
745,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
745,000
EUR
|
— | — |
680,000
EUR
|
— | — | — | — | — |
| Equity attributable to owners of parent | — |
48 678
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
41 439
EUR
|
— | — |
60 349
EUR
|
— | — | — | — | — |
| Non-controlling interests | — |
12 088
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
6 122
EUR
|
— | — |
5 696
EUR
|
— | — | — | — | — |
| Equity |
745,000
EUR
|
60 766
EUR
|
757,000
EUR
|
38 052
EUR
|
8 924
EUR
|
48 678
EUR
|
12 088
EUR
|
3 205
EUR
|
6 122
EUR
|
41 439
EUR
|
3 098
EUR
|
1 851
EUR
|
7 269
EUR
|
33 668
EUR
|
745,000
EUR
|
47 561
EUR
|
60 349
EUR
|
5 696
EUR
|
66 044
EUR
|
481,000
EUR
|
680,000
EUR
|
51 143
EUR
|
7 269
EUR
|
3 098
EUR
|
| Equity and liabilities | — |
150 391
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
164 455
EUR
|
— | — |
165 747
EUR
|
— | — | — | — | — |