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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||
| Assets [abstract] | ||||||||||||||||
| Property, plant and equipment |
2,549,000
EUR
|
— | — | — | — |
3,154,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
112,000
EUR
|
— | — | — | — |
133,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
44,288,000
EUR
|
— | — | — | — |
37,943,000
EUR
|
— | — | — | — | — | — |
19,250,000
EUR
|
— | — | — |
| Assets |
56,648,000
EUR
|
— | — | — | — |
47,361,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||
| Equity [abstract] | ||||||||||||||||
| Issued capital |
1,158,000
EUR
|
— | — | — | — |
1,022,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Share premium |
181,175,000
EUR
|
— | — | — | — |
152,776,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Equity |
15,989,000
EUR
|
137,726,000
EUR
|
181,175,000
EUR
|
1,158,000
EUR
|
28,617,000
EUR
|
11,749,000
EUR
|
1,022,000
EUR
|
108,034,000
EUR
|
152,776,000
EUR
|
34,015,000
EUR
|
108,034,000
EUR
|
30,868,000
EUR
|
10,518,000
EUR
|
87,565,000
EUR
|
128,130,000
EUR
|
821,000
EUR
|
| Equity and liabilities |
56,648,000
EUR
|
— | — | — | — |
47,361,000
EUR
|
— | — | — | — | — | — | — | — | — | — |