Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-12-31 |
As at 2021-12-31 |
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 |
393,000
EUR
|
18 960
EUR
|
20 862
EUR
|
— |
| Intangible assets and goodwill [abstract] | ||||
| Intangible assets other than goodwill [abstract] | ||||
| Intangible assets other than goodwill |
5,000
EUR
|
15,000
EUR
|
589,000
EUR
|
— |
| Miscellaneous non-current assets [abstract] | ||||
| Other non-current assets |
195,000
EUR
|
876,000
EUR
|
1 091
EUR
|
— |
| Trade and other current receivables [abstract] | ||||
| Current trade receivables |
76,000
EUR
|
12,000
EUR
|
4,000
EUR
|
— |
| Classes of current inventories [abstract] | ||||
| Current inventories |
—
EUR
|
—
EUR
|
—
EUR
|
— |
| Classes of current inventories, alternative [abstract] | ||||
| Cash and cash equivalents [abstract] | ||||
| Cash and cash equivalents |
38 789
EUR
|
33 699
EUR
|
44 446
EUR
|
73 173
EUR
|
| Miscellaneous current assets [abstract] | ||||
| Other current assets |
3 769
EUR
|
6 337
EUR
|
5 182
EUR
|
— |
| Borrowings [abstract] | ||||
| Non-current portion of non-current borrowings |
7 547
EUR
|
15 232
EUR
|
14 379
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | ||||
| Current borrowings and current portion of non-current borrowings |
2 565
EUR
|
164,000
EUR
|
2 265
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] | ||||
| Trade and other current payables |
5 115
EUR
|
14 154
EUR
|
20 910
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | ||||
| Non-current derivative financial liabilities |
—
EUR
|
—
EUR
|
288,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | ||||
| Current derivative financial liabilities |
—
EUR
|
—
EUR
|
129,000
EUR
|
— |
| Other current liabilities |
2 909
EUR
|
3 870
EUR
|
4 436
EUR
|
— |
| Issued capital [abstract] | ||||
| Issued capital |
3 102
EUR
|
3 102
EUR
|
2 006
EUR
|
— |
| Retained earnings [abstract] | ||||
| Retained earnings, profit (loss) for reporting period |
228,000
EUR
|
53 797
EUR
|
73 300
EUR
|
— |
| Retained earnings, excluding profit (loss) for reporting period |
29 765
EUR
|
25 293
EUR
|
24 616
EUR
|
— |
| Accumulated other comprehensive income [abstract] | ||||
| Reserve of exchange differences on translation |
1 402
EUR
|
1 215
EUR
|
1 744
EUR
|
— |
| Net assets (liabilities) [abstract] | ||||
| Assets |
45 811
EUR
|
66 768
EUR
|
80 402
EUR
|
— |
| Net current assets (liabilities) [abstract] | ||||
| Current assets |
42 634
EUR
|
40 048
EUR
|
49 632
EUR
|
— |
| Current liabilities |
11 678
EUR
|
20 005
EUR
|
29 347
EUR
|
— |
| Assets less current liabilities [abstract] |