Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
3,571,000
EUR
|
1,754,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Other intangible assets |
100,000
EUR
|
459,000
EUR
|
— |
| Goodwill |
7,886,000
EUR
|
15,314,000
EUR
|
— |
| Trade and other non-current receivables [abstract] | |||
| Trade and other non-current receivables |
5,545,000
EUR
|
10,066,000
EUR
|
— |
| Trade and other receivables [abstract] | |||
| Trade and other receivables |
20,718,000
EUR
|
15,223,000
EUR
|
— |
| Categories of non-current financial assets [abstract] | |||
| Non-current financial assets at fair value through profit or loss [abstract] | |||
| Non-current financial assets at fair value through profit or loss |
169,063,000
EUR
|
130,011,000
EUR
|
— |
| Categories of financial assets [abstract] | |||
| Financial assets at fair value through profit or loss [abstract] | |||
| Financial assets at fair value through profit or loss |
65,000
EUR
|
0
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
55,571,000
EUR
|
65,207,000
EUR
|
58,002,000
EUR
|
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract] | |||
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners |
5,769,000
EUR
|
0
EUR
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
91,854,000
EUR
|
82,038,000
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Trade and other payables [abstract] | |||
| Trade and other payables |
18,446,000
EUR
|
16,722,000
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Other non-current liabilities |
7,343,000
EUR
|
7,552,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
772,000
EUR
|
772,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
65,473,000
EUR
|
33,607,000
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
582,000
EUR
|
286,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
270,512,000
EUR
|
240,263,000
EUR
|
— |
| Liabilities |
128,367,000
EUR
|
112,869,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
76,353,000
EUR
|
80,429,000
EUR
|
— |
| Current liabilities |
20,036,000
EUR
|
18,652,000
EUR
|
— |
| Assets less current liabilities [abstract] |