Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Property, plant and equipment [abstract] | ||||
| Property, plant and equipment |
5,827,000
EUR
|
— |
1,387,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | ||||
| Intangible assets other than goodwill [abstract] | ||||
| Intangible assets other than goodwill | — | — |
7,000
EUR
|
— |
| Miscellaneous non-current assets [abstract] | ||||
| Other non-current assets |
19,146,000
EUR
|
— |
20,762,000
EUR
|
— |
| Trade and other current receivables [abstract] | ||||
| Current trade receivables |
8,920,000
EUR
|
— |
15,533,000
EUR
|
— |
| Current prepayments and current accrued income other than current contract assets [abstract] | ||||
| Current prepayments [abstract] | ||||
| Current prepaid expenses |
2,501,000
EUR
|
— |
1,216,000
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | ||||
| Categories of non-current financial assets [abstract] | ||||
| Non-current financial assets |
34,816,000
EUR
|
— |
19,448,000
EUR
|
— |
| Cash and cash equivalents [abstract] | ||||
| Cash and cash equivalents |
392,558,000
EUR
|
14,016,000
EUR
|
14,016,000
EUR
|
15,605,000
EUR
|
| Miscellaneous current assets [abstract] | ||||
| Other current assets |
6,905,000
EUR
|
— |
10,049,000
EUR
|
— |
| Borrowings [abstract] | ||||
| Non-current portion of non-current borrowings |
-
EUR
|
— |
26,303,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | ||||
| Current borrowings and current portion of non-current borrowings |
-
EUR
|
— |
67,000
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | ||||
| Current borrowings and current portion of non-current borrowings, by type [abstract] | ||||
| Trade and other current payables [abstract] | ||||
| Current trade payables |
9,869,000
EUR
|
— |
8,413,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | ||||
| Other current liabilities |
18,511,000
EUR
|
— |
15,737,000
EUR
|
— |
| Issued capital [abstract] | ||||
| Issued capital |
1,746,000
EUR
|
— |
-
EUR
|
— |
| Retained earnings [abstract] | ||||
| Retained earnings |
39,399,000
EUR
|
— |
38,449,000
EUR
|
— |
| Net assets (liabilities) [abstract] | ||||
| Assets |
518,751,000
EUR
|
— |
120,082,000
EUR
|
— |
| Liabilities |
71,009,000
EUR
|
— |
82,210,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | ||||
| Current assets |
421,890,000
EUR
|
— |
58,165,000
EUR
|
— |
| Current liabilities |
33,182,000
EUR
|
— |
29,258,000
EUR
|
— |
| Assets less current liabilities [abstract] |