Statement Of Cash Flows [Abstract]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||
| Cash flows from (used in) operating activities [abstract] | ||||||
| Income taxes paid (refund), classified as operating activities | — |
4 880
EUR
|
— |
3 183
EUR
|
2 276
EUR
|
— |
| Cash flows from (used in) operating activities | — |
2 086
EUR
|
— |
25 843
EUR
|
8 641
EUR
|
— |
| Cash flows from (used in) investing activities [abstract] | ||||||
| Proceeds from government grants, classified as investing activities | — | — | — |
68,000
EUR
|
— | — |
| Cash flows from (used in) investing activities | — |
4 568
EUR
|
— |
6 141
EUR
|
4 047
EUR
|
— |
| Cash flows from (used in) financing activities [abstract] | ||||||
| Payments from changes in ownership interests in subsidiaries that do not result in loss of control | — | — | — | — |
1 272
EUR
|
— |
| Proceeds from issuing shares | — |
9 802
EUR
|
— | — |
4 868
EUR
|
— |
| Proceeds from borrowings, classified as financing activities | — |
798,000
EUR
|
— |
24 827
EUR
|
6 869
EUR
|
— |
| Interest paid, classified as financing activities | — |
516,000
EUR
|
— |
567,000
EUR
|
713,000
EUR
|
— |
| Cash flows from (used in) financing activities | — |
15 403
EUR
|
— |
13 752
EUR
|
1 410
EUR
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
160,000
EUR
|
— |
170,000
EUR
|
188,000
EUR
|
— |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
17 725
EUR
|
— |
33 283
EUR
|
2 997
EUR
|
— |
| Cash and cash equivalents |
27 837
EUR
|
— |
45 877
EUR
|
— | — |
18 960
EUR
|