Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
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 |
18 960
EUR
|
20 862
EUR
|
25 632
EUR
|
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
15,000
EUR
|
589,000
EUR
|
603,000
EUR
|
| Miscellaneous non-current assets [abstract] | |||
| Other non-current assets |
876,000
EUR
|
1 091
EUR
|
718,000
EUR
|
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
12,000
EUR
|
4,000
EUR
|
36,000
EUR
|
| Classes of current inventories [abstract] | |||
| Current inventories |
—
EUR
|
—
EUR
|
358,000
EUR
|
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
33 699
EUR
|
44 446
EUR
|
73 173
EUR
|
| Miscellaneous current assets [abstract] | |||
| Other current assets |
6 337
EUR
|
5 182
EUR
|
8 016
EUR
|
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
15 232
EUR
|
14 379
EUR
|
1 321
EUR
|
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings and current portion of non-current borrowings |
164,000
EUR
|
2 265
EUR
|
99,000
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] | |||
| Trade and other current payables |
14 154
EUR
|
20 910
EUR
|
13 775
EUR
|
| Miscellaneous non-current liabilities [abstract] | |||
| Non-current derivative financial liabilities |
—
EUR
|
288,000
EUR
|
—
EUR
|
| Miscellaneous current liabilities [abstract] | |||
| Current derivative financial liabilities |
—
EUR
|
129,000
EUR
|
—
EUR
|
| Other current liabilities |
3 870
EUR
|
4 436
EUR
|
4 510
EUR
|
| Issued capital [abstract] | |||
| Issued capital |
3 102
EUR
|
2 006
EUR
|
1 794
EUR
|
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
1 215
EUR
|
1 744
EUR
|
1 344
EUR
|
| Net assets (liabilities) [abstract] | |||
| Assets |
66 768
EUR
|
80 402
EUR
|
118 545
EUR
|
| Net current assets (liabilities) [abstract] | |||
| Current assets |
40 048
EUR
|
49 632
EUR
|
81 583
EUR
|
| Current liabilities |
20 005
EUR
|
29 347
EUR
|
19 880
EUR
|
| Assets less current liabilities [abstract] |