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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||
| Assets [abstract] | ||||||||||||
| Property, plant and equipment |
9,150,000
EUR
|
— | — | — |
2,246,000
EUR
|
— | — | — | — | — | — | — |
| Right-of-use assets |
1,356,000
EUR
|
— | — | — |
1,164,000
EUR
|
— | — | — | — | — | — | — |
| Intangible assets other than goodwill |
1,829,000
EUR
|
— | — | — |
1,300,000
EUR
|
— | — | — | — | — | — | — |
| Deferred tax assets |
5,708,000
EUR
|
— | — | — |
1,921,000
EUR
|
— | — | — | — | — | — | — |
| Cash and cash equivalents |
133,433,000
EUR
|
— | — | — |
6,599,000
EUR
|
— | — | — | — |
78,000
EUR
|
— | — |
| Assets |
157,492,000
EUR
|
— | — | — |
15,933,000
EUR
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||
| Equity [abstract] | ||||||||||||
| Issued capital |
500,000
EUR
|
— | — | — |
5,997,000
EUR
|
— | — | — | — | — | — | — |
| Retained earnings |
19,806,000
EUR
|
— | — | — |
6,031,000
EUR
|
— | — | — | — | — | — | — |
| Share premium |
170,450,000
EUR
|
— | — | — |
13,378,000
EUR
|
— | — | — | — | — | — | — |
| Equity |
151,144,000
EUR
|
19,806,000
EUR
|
170,450,000
EUR
|
500,000
EUR
|
13,344,000
EUR
|
5,997,000
EUR
|
6,031,000
EUR
|
13,378,000
EUR
|
3,939,000
EUR
|
4,536,000
EUR
|
7,478,000
EUR
|
997,000
EUR
|
| Liabilities [abstract] | ||||||||||||
| Liabilities |
6,348,000
EUR
|
— | — | — |
2,589,000
EUR
|
— | — | — | — | — | — | — |
| Equity and liabilities |
157,492,000
EUR
|
— | — | — |
15,933,000
EUR
|
— | — | — | — | — | — | — |