Statement Of Financial Position [Abstract]
| Concept |
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 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Property, plant and equipment |
2,268,000
EUR
|
— | — | — | — |
2,549,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
93,000
EUR
|
— | — | — | — |
112,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
10,610,000
EUR
|
— | — | — | — |
44,288,000
EUR
|
— | — | — | — |
37,943,000
EUR
|
— | — | — | — |
| Assets |
25,941,000
EUR
|
— | — | — | — |
56,648,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital |
1,158,000
EUR
|
— | — | — | — |
1,158,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Share premium |
181,211,000
EUR
|
— | — | — | — |
181,175,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity |
15,279,000
EUR
|
181,211,000
EUR
|
1,158,000
EUR
|
170,024,000
EUR
|
27,625,000
EUR
|
15,989,000
EUR
|
137,726,000
EUR
|
28,617,000
EUR
|
181,175,000
EUR
|
1,158,000
EUR
|
11,749,000
EUR
|
1,022,000
EUR
|
108,034,000
EUR
|
34,015,000
EUR
|
152,776,000
EUR
|
| Equity and liabilities |
25,941,000
EUR
|
— | — | — | — |
56,648,000
EUR
|
— | — | — | — | — | — | — | — | — |