Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||||
| Property, plant and equipment [abstract] | |||||
| Land and buildings [abstract] | |||||
| Land and buildings |
1,539
EUR
|
1,846
EUR
|
1,846
EUR
|
— | — |
| Machinery |
8,000
EUR
|
0
EUR
|
0
EUR
|
— | — |
| Vehicles [abstract] | |||||
| Vehicles |
758,000
EUR
|
819,000
EUR
|
819,000
EUR
|
— | — |
| Office equipment |
251,000
EUR
|
256,000
EUR
|
256,000
EUR
|
— | — |
| Other property, plant and equipment |
1,344
EUR
|
1,305
EUR
|
1,305
EUR
|
— | — |
| Property, plant and equipment |
3,901
EUR
|
4,227
EUR
|
4,227
EUR
|
— | — |
| Intangible assets and goodwill [abstract] | |||||
| Intangible assets other than goodwill [abstract] | |||||
| Computer software |
171,000
EUR
|
170,000
EUR
|
170,000
EUR
|
— | — |
| Other intangible assets |
427,000
EUR
|
456,000
EUR
|
170,000
EUR
|
— | — |
| Goodwill |
2,417
EUR
|
2,417
EUR
|
3,727
EUR
|
— | — |
| Intangible assets and goodwill |
4,092
EUR
|
4,315
EUR
|
3,966
EUR
|
— | — |
| Miscellaneous non-current assets [abstract] | |||||
| Non-current investments other than investments accounted for using equity method |
1,000
EUR
|
1,000
EUR
|
1,000
EUR
|
— | — |
| Trade and other current receivables [abstract] | |||||
| Current trade receivables |
3,252
EUR
|
3,106
EUR
|
3,106
EUR
|
— | — |
| Other current receivables |
27,000
EUR
|
24,000
EUR
|
24,000
EUR
|
— | — |
| Trade and other current receivables |
3,279
EUR
|
3,130
EUR
|
3,130
EUR
|
— | — |
| Categories of non-current financial assets [abstract] | |||||
| Non-current financial assets |
166,000
EUR
|
183,000
EUR
|
184,000
EUR
|
— | — |
| Categories of current financial assets [abstract] | |||||
| Current financial assets |
0
EUR
|
0
EUR
|
0
EUR
|
— | — |
| Classes of current inventories [abstract] | |||||
| Current inventories |
2,091
EUR
|
2,266
EUR
|
2,266
EUR
|
— | — |
| Classes of current inventories, alternative [abstract] | |||||
| Cash and cash equivalents [abstract] | |||||
| Cash and cash equivalents |
706,000
EUR
|
1,477
EUR
|
1,477
EUR
|
2,242
EUR
|
2,242
EUR
|
| Miscellaneous current assets [abstract] | |||||
| Other current assets |
257,000
EUR
|
141,000
EUR
|
141,000
EUR
|
— | — |
| Borrowings [abstract] | |||||
| Non-current portion of non-current borrowings |
3,837
EUR
|
3,787
EUR
|
3,787
EUR
|
— | — |
| Current borrowings and current portion of non-current borrowings [abstract] | |||||
| Current portion of non-current borrowings |
2,437
EUR
|
4,199
EUR
|
4,199
EUR
|
— | — |
| Current borrowings and current portion of non-current borrowings |
4,059
EUR
|
5,713
EUR
|
5,713
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 non-current payables [abstract] | |||||
| Trade and other non-current payables |
0
EUR
|
0
EUR
|
0
EUR
|
— | — |
| Trade and other current payables [abstract] | |||||
| Trade and other current payables |
5,571
EUR
|
5,385
EUR
|
5,385
EUR
|
— | — |
| Miscellaneous non-current liabilities [abstract] | |||||
| Non-current net defined benefit liability |
367,000
EUR
|
305,000
EUR
|
305,000
EUR
|
— | — |
| Non-current derivative financial liabilities |
0
EUR
|
0
EUR
|
0
EUR
|
— | — |
| Other non-current liabilities |
330,000
EUR
|
886,000
EUR
|
886,000
EUR
|
— | — |
| Miscellaneous current liabilities [abstract] | |||||
| Other current liabilities |
576,000
EUR
|
747,000
EUR
|
747,000
EUR
|
— | — |
| Issued capital [abstract] | |||||
| Issued capital |
2,662
EUR
|
2,662
EUR
|
2,662
EUR
|
— | — |
| Retained earnings [abstract] | |||||
| Retained earnings |
1,649
EUR
|
2,712
EUR
|
2,646
EUR
|
— | — |
| Accumulated other comprehensive income [abstract] | |||||
| Reserve of exchange differences on translation |
0
EUR
|
5,000
EUR
|
5,000
EUR
|
— | — |
| Net assets (liabilities) [abstract] | |||||
| Assets |
17,077
EUR
|
17,952
EUR
|
18,018
EUR
|
— | — |
| Liabilities |
15,262
EUR
|
17,205
EUR
|
17,205
EUR
|
— | — |
| Net current assets (liabilities) [abstract] | |||||
| Current assets |
6,411
EUR
|
7,096
EUR
|
7,096
EUR
|
— | — |
| Current liabilities |
10,689
EUR
|
12,187
EUR
|
12,188
EUR
|
— | — |
| Assets less current liabilities [abstract] |