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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||
| Assets [abstract] | ||||||||||||
| Property, plant and equipment | — | — |
32,974,000
EUR
|
— |
22,770,000
EUR
|
— | — | — | — | — | — | — |
| Right-of-use assets | — | — |
392,000
EUR
|
— |
373,000
EUR
|
— | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — |
568,000
EUR
|
— |
103,000
EUR
|
— | — | — | — | — | — | — |
| Deferred tax assets | — | — |
166,000
EUR
|
— |
104,000
EUR
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — | — |
2,908,000
EUR
|
— |
153,000
EUR
|
— | — | — |
190,000
EUR
|
— | — | — |
| Assets | — | — |
127,593,000
EUR
|
— |
92,575,000
EUR
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||
| Equity [abstract] | ||||||||||||
| Issued capital | — | — |
4,000,000
EUR
|
— |
4,000,000
EUR
|
— | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — |
59,550,000
EUR
|
— |
47,973,000
EUR
|
— | — | — | — | — | — | — |
| Equity |
400,000
EUR
|
55,150,000
EUR
|
59,550,000
EUR
|
4,000,000
EUR
|
47,973,000
EUR
|
400,000
EUR
|
43,573,000
EUR
|
4,000,000
EUR
|
35,511,000
EUR
|
4,000,000
EUR
|
965,000
EUR
|
30,546,000
EUR
|
| Liabilities [abstract] | ||||||||||||
| Deferred tax liabilities | — | — |
741,000
EUR
|
— |
219,000
EUR
|
— | — | — | — | — | — | — |
| Liabilities | — | — |
68,043,000
EUR
|
— |
44,602,000
EUR
|
— | — | — | — | — | — | — |
| Equity and liabilities | — | — |
127,593,000
EUR
|
— |
92,575,000
EUR
|
— | — | — | — | — | — | — |