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 |
395 157
EUR
|
361 718
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
4 941
EUR
|
5 484
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments in joint ventures accounted for using equity method |
45,000
EUR
|
45,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
8 283
EUR
|
2 558
EUR
|
— |
| Current prepayments and current accrued income other than current contract assets [abstract] | |||
| Current prepayments [abstract] | |||
| Current prepayments |
1 883
EUR
|
1 622
EUR
|
— |
| Other current receivables |
34 867
EUR
|
892,000
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Categories of current financial assets [abstract] | |||
| Current loans and receivables |
167 082
EUR
|
232 008
EUR
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
41,000
EUR
|
3,000
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
634,000
EUR
|
499,000
EUR
|
1 819
EUR
|
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
28 143
EUR
|
34 285
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings |
43,000
EUR
|
-
EUR
|
— |
| Current portion of non-current borrowings |
6 143
EUR
|
6 143
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| 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 advances received, representing current contract liabilities for performance obligations satisfied at point in time |
29 602
EUR
|
35 506
EUR
|
— |
| Trade and other current payables |
56 153
EUR
|
70 146
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Other non-current liabilities |
1 880
EUR
|
34 392
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Other current liabilities |
7 770
EUR
|
12 307
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
146 256
EUR
|
146 256
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
48 386
EUR
|
49 484
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Revaluation surplus |
23 320
EUR
|
-
EUR
|
— |
| Miscellaneous equity [abstract] | |||
| Statutory reserve |
12 105
EUR
|
14 626
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
677 417
EUR
|
718 545
EUR
|
— |
| Liabilities |
438 731
EUR
|
551 565
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
264 797
EUR
|
334 621
EUR
|
— |
| Current liabilities |
138 674
EUR
|
412 553
EUR
|
— |
| Assets less current liabilities [abstract] |