Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
173,000
EUR
|
230,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
168,000
EUR
|
374,000
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments in associates accounted for using equity method |
3,687,000
EUR
|
0
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
13,124,000
EUR
|
17,568,000
EUR
|
— |
| Categories of non-current financial assets [abstract] | |||
| Non-current financial assets at amortised cost |
249,000
EUR
|
184,000
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
19,842,000
EUR
|
17,008,000
EUR
|
20,704,000
EUR
|
| Miscellaneous current assets [abstract] | |||
| Current prepayments and other current assets |
400,000
EUR
|
309,000
EUR
|
— |
| Trade and other current payables [abstract] | |||
| Current accruals and current deferred income including current contract liabilities [abstract] | |||
| Current deferred income including current contract liabilities [abstract] | |||
| Current contract liabilities [abstract] | |||
| Current contract liabilities |
382,000
EUR
|
465,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
1,160,000
EUR
|
1,075,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
42,941,000
EUR
|
43,954,000
EUR
|
— |
| Liabilities |
24,060,000
EUR
|
28,288,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
37,297,000
EUR
|
41,769,000
EUR
|
— |
| Current liabilities |
23,238,000
EUR
|
27,448,000
EUR
|
— |
| Assets less current liabilities [abstract] |