Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2024-12-31 |
As at 2024-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
|---|---|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||||
| Property, plant and equipment [abstract] | ||||||
| Property, plant and equipment |
9,057
EUR
|
8,638
EUR
|
7,162
EUR
|
7,667
EUR
|
— | — |
| Intangible assets and goodwill [abstract] | ||||||
| Intangible assets and goodwill |
14,000
EUR
|
14,000
EUR
|
83,000
EUR
|
10,000
EUR
|
— | — |
| Investment property [abstract] | ||||||
| Investment property |
2,424
EUR
|
2,886
EUR
|
3,647
EUR
|
2,478
EUR
|
— | — |
| Investments accounted for using equity method [abstract] | ||||||
| Investments accounted for using equity method |
5,000
EUR
|
-
EUR
|
-
EUR
|
5,000
EUR
|
— | — |
| Trade and other non-current receivables [abstract] | ||||||
| Trade and other non-current receivables |
113,000
EUR
|
101,000
EUR
|
549,000
EUR
|
241,000
EUR
|
— | — |
| Trade and other current receivables [abstract] | ||||||
| Current trade receivables |
3,640
EUR
|
3,823
EUR
|
5,688
EUR
|
5,503
EUR
|
— | — |
| Current prepayments and current accrued income other than current contract assets [abstract] | ||||||
| Current prepayments [abstract] | ||||||
| Current prepaid expenses |
1,183
EUR
|
1,192
EUR
|
724,000
EUR
|
715,000
EUR
|
— | — |
| Current prepayments |
1,377
EUR
|
1,380
EUR
|
556,000
EUR
|
553,000
EUR
|
— | — |
| Other current receivables |
61,000
EUR
|
57,000
EUR
|
58,000
EUR
|
60,000
EUR
|
— | — |
| Current prepayments and current accrued income including current contract assets [abstract] | ||||||
| Categories of non-current financial assets [abstract] | ||||||
| Non-current financial assets at fair value through profit or loss [abstract] | ||||||
| Non-current financial assets at fair value through profit or loss |
100,000
EUR
|
100,000
EUR
|
110,000
EUR
|
110,000
EUR
|
— | — |
| Categories of current financial assets [abstract] | ||||||
| Current financial assets |
365,000
EUR
|
236,000
EUR
|
1,391
EUR
|
1,454
EUR
|
— | — |
| Classes of current inventories [abstract] | ||||||
| Current inventories |
2,021
EUR
|
2,035
EUR
|
1,954
EUR
|
1,942
EUR
|
— | — |
| Classes of current inventories, alternative [abstract] | ||||||
| Cash and cash equivalents [abstract] | ||||||
| Cash and cash equivalents |
1,027
EUR
|
2,249
EUR
|
2,245
EUR
|
804,000
EUR
|
151,000
EUR
|
129,000
EUR
|
| Borrowings [abstract] | ||||||
| Non-current portion of non-current borrowings |
3,052
EUR
|
3,063
EUR
|
3,554
EUR
|
1,875
EUR
|
— | — |
| Current borrowings and current portion of non-current borrowings [abstract] | ||||||
| Current borrowings |
1,315
EUR
|
488,000
EUR
|
459,000
EUR
|
1,250
EUR
|
— | — |
| Current borrowings and current portion of non-current borrowings |
7,123
EUR
|
7,523
EUR
|
7,540
EUR
|
7,291
EUR
|
— | — |
| Non-current portion of non-current borrowings, by type [abstract] | ||||||
| Non-current portion of other non-current borrowings |
3,186
EUR
|
2,707
EUR
|
4,304
EUR
|
4,756
EUR
|
— | — |
| Current borrowings and current portion of non-current borrowings, by type [abstract] | ||||||
| Trade and other payables [abstract] | ||||||
| Trade and other payables |
5,079
EUR
|
8,753
EUR
|
8,208
EUR
|
4,516
EUR
|
— | — |
| Miscellaneous current liabilities [abstract] | ||||||
| Current accrued expenses and other current liabilities |
4,079
EUR
|
4,298
EUR
|
2,791
EUR
|
2,465
EUR
|
— | — |
| Other current liabilities |
11,164
EUR
|
11,056
EUR
|
10,852
EUR
|
10,860
EUR
|
— | — |
| Issued capital [abstract] | ||||||
| Issued capital |
22,546
EUR
|
22,546
EUR
|
22,546
EUR
|
22,546
EUR
|
— | — |
| Retained earnings [abstract] | ||||||
| Retained earnings |
43,487
EUR
|
45,056
EUR
|
42,105
EUR
|
40,033
EUR
|
— | — |
| Accumulated other comprehensive income [abstract] | ||||||
| Revaluation surplus |
4,848
EUR
|
4,848
EUR
|
3,445
EUR
|
3,445
EUR
|
— | — |
| Net assets (liabilities) [abstract] | ||||||
| Assets |
24,140
EUR
|
25,464
EUR
|
26,979
EUR
|
24,354
EUR
|
— | — |
| Net current assets (liabilities) [abstract] | ||||||
| Current assets |
9,674
EUR
|
10,972
EUR
|
12,616
EUR
|
11,031
EUR
|
— | — |
| Current liabilities |
29,462
EUR
|
32,820
EUR
|
30,552
EUR
|
27,084
EUR
|
— | — |
| Assets less current liabilities [abstract] |