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 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 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||
| Property, plant and equipment |
15,202,000
EUR
|
— | — | — | — | — |
16,413,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Trade and other non-current receivables |
814,000
EUR
|
— | — | — | — | — |
1,414,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, non-current |
79,000
EUR
|
— | — | — | — | — |
34,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets |
8,249,000
EUR
|
— | — | — | — | — |
1,485,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Other non-current non-financial assets |
258,000
EUR
|
— | — | — | — | — |
68,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
85,962,000
EUR
|
— | — | — | — | — |
60,984,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||
| Trade and other current receivables |
18,992,000
EUR
|
— | — | — | — | — |
5,647,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current |
79,000
EUR
|
— | — | — | — | — |
139,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Other current financial assets |
101,960,000
EUR
|
— | — | — | — | — |
549,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Other current non-financial assets |
5,347,000
EUR
|
— | — | — | — | — |
1,246,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
152,944,000
EUR
|
— | — | — | — | — |
36,237,000
EUR
|
— | — | — | — | — | — |
10,972,000
EUR
|
— | — | — | — |
| Current assets |
279,321,000
EUR
|
— | — | — | — | — |
43,819,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Assets |
365,284,000
EUR
|
— | — | — | — | — |
104,803,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital |
2,441,000
EUR
|
— | — | — | — | — |
93,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
279,444,000
EUR
|
— | — | — | — | — |
112,656,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
300,687,000
EUR
|
279,445,000
EUR
|
508,963,000
EUR
|
68,745,000
EUR
|
18,000
EUR
|
2,441,000
EUR
|
22,865,000
EUR
|
93,000
EUR
|
112,656,000
EUR
|
113,280,000
EUR
|
—
EUR
|
22,148,000
EUR
|
88,852,000
EUR
|
35,480,000
EUR
|
—
EUR
|
113,280,000
EUR
|
10,959,000
EUR
|
93,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||
| Non-current provisions |
1,182,000
EUR
|
— | — | — | — | — |
558,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
3,874,000
EUR
|
— | — | — | — | — |
2,236,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, non-current |
—
EUR
|
— | — | — | — | — |
17,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial liabilities |
12,954,000
EUR
|
— | — | — | — | — |
26,139,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Other non-current non-financial liabilities |
1,117,000
EUR
|
— | — | — | — | — |
1,105,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
28,499,000
EUR
|
— | — | — | — | — |
66,745,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||
| Current provisions |
108,000
EUR
|
— | — | — | — | — |
1,100,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables |
15,395,000
EUR
|
— | — | — | — | — |
4,233,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
168,000
EUR
|
— | — | — | — | — |
16,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Other current financial liabilities |
8,885,000
EUR
|
— | — | — | — | — |
1,574,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Other current non-financial liabilities |
8,535,000
EUR
|
— | — | — | — | — |
6,156,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
36,098,000
EUR
|
— | — | — | — | — |
15,193,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
64,596,000
EUR
|
— | — | — | — | — |
81,938,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
365,284,000
EUR
|
— | — | — | — | — |
104,803,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |