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 |
2,268,000
EUR
|
2,549,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
93,000
EUR
|
112,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
0
EUR
|
754,000
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
10,610,000
EUR
|
44,288,000
EUR
|
37,943,000
EUR
|
| Miscellaneous current assets [abstract] | |||
| Other current assets |
12,337,000
EUR
|
8,321,000
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Non-current portion of non-current loans received |
2,195,000
EUR
|
3,058,000
EUR
|
— |
| Non-current portion of non-current bonds issued |
7,051,000
EUR
|
2,586,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings, by type [abstract] | |||
| Current loans received and current portion of non-current loans received |
1,233,000
EUR
|
2,210,000
EUR
|
— |
| Current bonds issued and current portion of non-current bonds issued |
302,000
EUR
|
2,465,000
EUR
|
— |
| Trade and other current payables [abstract] | |||
| Current trade payables |
7,813,000
EUR
|
11,561,000
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Non-current derivative financial liabilities |
3,447,000
EUR
|
—
EUR
|
— |
| Other non-current liabilities |
7,678,000
EUR
|
6,281,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Current derivative financial liabilities |
0
EUR
|
2,536,000
EUR
|
— |
| Other current liabilities |
4,339,000
EUR
|
2,675,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
1,158,000
EUR
|
1,158,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings, profit (loss) for reporting period |
27,625,000
EUR
|
28,617,000
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
73,000
EUR
|
25,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
25,941,000
EUR
|
56,648,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
22,947,000
EUR
|
53,363,000
EUR
|
— |
| Current liabilities |
14,642,000
EUR
|
22,242,000
EUR
|
— |
| Assets less current liabilities [abstract] |