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 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] | ||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||
| Property, plant and equipment | — | — | — |
10 174
EUR
|
— | — | — | — | — | — | — | — | — |
11 694
EUR
|
— | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — |
44 192
EUR
|
— | — | — | — | — | — | — | — | — |
46 289
EUR
|
— | — | — | — | — | — |
| Trade and other non-current receivables | — | — | — |
29 821
EUR
|
— | — | — | — | — | — | — | — | — |
29 821
EUR
|
— | — | — | — | — | — |
| Deferred tax assets | — | — | — |
5 028
EUR
|
— | — | — | — | — | — | — | — | — |
7 087
EUR
|
— | — | — | — | — | — |
| Other non-current non-financial assets | — | — | — |
148,000
EUR
|
— | — | — | — | — | — | — | — | — |
147,000
EUR
|
— | — | — | — | — | — |
| Non-current assets | — | — | — |
129 241
EUR
|
— | — | — | — | — | — | — | — | — |
133 972
EUR
|
— | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||
| Trade and other current receivables | — | — | — |
18 420
EUR
|
— | — | — | — | — | — | — | — | — |
21 814
EUR
|
— | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
103 756
EUR
|
— | — | — | — | — | — | — | — | — |
136 792
EUR
|
— | — | — |
202 887
EUR
|
— | — |
| Current assets | — | — | — |
138 256
EUR
|
— | — | — | — | — | — | — | — | — |
173 451
EUR
|
— | — | — | — | — | — |
| Assets | — | — | — |
267 496
EUR
|
— | — | — | — | — | — | — | — | — |
307 423
EUR
|
— | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||
| Issued capital | — | — | — |
3 978
EUR
|
— | — | — | — | — | — | — | — | — |
3 950
EUR
|
— | — | — | — | — | — |
| Share premium | — | — | — |
375 220
EUR
|
— | — | — | — | — | — | — | — | — |
372 131
EUR
|
— | — | — | — | — | — |
| Other reserves | — | — | — |
456,000
EUR
|
— | — | — | — | — | — | — | — | — |
355,000
EUR
|
— | — | — | — | — | — |
| Equity |
219 404
EUR
|
456,000
EUR
|
1 054
EUR
|
107 440
EUR
|
1 054
EUR
|
52 809
EUR
|
375 220
EUR
|
3 978
EUR
|
156 476
EUR
|
63 984
EUR
|
3 950
EUR
|
355,000
EUR
|
372 131
EUR
|
155 976
EUR
|
472,000
EUR
|
20 759
EUR
|
369 617
EUR
|
217 416
EUR
|
134 912
EUR
|
3 941
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||
| Non-current provisions for employee benefits | — | — | — |
2 975
EUR
|
— | — | — | — | — | — | — | — | — |
4 177
EUR
|
— | — | — | — | — | — |
| Non-current provisions | — | — | — |
253,000
EUR
|
— | — | — | — | — | — | — | — | — |
221,000
EUR
|
— | — | — | — | — | — |
| Deferred tax liabilities | — | — | — |
5 028
EUR
|
— | — | — | — | — | — | — | — | — |
7 087
EUR
|
— | — | — | — | — | — |
| Non-current liabilities | — | — | — |
80 169
EUR
|
— | — | — | — | — | — | — | — | — |
105 959
EUR
|
— | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||
| Current provisions | — | — | — |
647,000
EUR
|
— | — | — | — | — | — | — | — | — |
676,000
EUR
|
— | — | — | — | — | — |
| Trade and other current payables | — | — | — |
28 573
EUR
|
— | — | — | — | — | — | — | — | — |
29 539
EUR
|
— | — | — | — | — | — |
| Current liabilities | — | — | — |
79 886
EUR
|
— | — | — | — | — | — | — | — | — |
45 488
EUR
|
— | — | — | — | — | — |
| Equity and liabilities | — | — | — |
267 496
EUR
|
— | — | — | — | — | — | — | — | — |
307 423
EUR
|
— | — | — | — | — | — |