Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
359,000
EUR
|
414,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
11,000
EUR
|
14,000
EUR
|
— |
| Investment property [abstract] | |||
| Investment property |
36,427,000
EUR
|
29,616,000
EUR
|
— |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | |||
| Investments in subsidiaries reported in separate financial statements |
EUR
|
EUR
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current finance lease receivables |
397,000
EUR
|
589,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
142,000
EUR
|
196,000
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
1,282,000
EUR
|
1,901,000
EUR
|
16,034,000
EUR
|
| Miscellaneous current assets [abstract] | |||
| Current finance lease receivables |
193,000
EUR
|
189,000
EUR
|
— |
| Classes of other provisions [abstract] | |||
| Other provisions [abstract] | |||
| Other non-current provisions |
919,000
EUR
|
259,000
EUR
|
— |
| Other current provisions |
13,000
EUR
|
34,000
EUR
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
12,109,000
EUR
|
8,777,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current portion of non-current borrowings |
708,000
EUR
|
365,000
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Trade and other non-current payables [abstract] | |||
| Non-current accruals and non-current deferred income including non-current contract liabilities [abstract] | |||
| Non-current deferred income including non-current contract liabilities [abstract] | |||
| Non-current deferred income including non-current contract liabilities |
163,000
EUR
|
124,000
EUR
|
— |
| Trade and other current payables [abstract] | |||
| Current trade payables |
281,000
EUR
|
1,675,000
EUR
|
— |
| Current accruals and current deferred income including current contract liabilities [abstract] | |||
| Current deferred income including current contract liabilities [abstract] | |||
| Current deferred income including current contract liabilities |
43,000
EUR
|
130,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Other current liabilities |
589,000
EUR
|
542,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
11,689,000
EUR
|
11,689,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
5,945,000
EUR
|
3,640,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
39,016,000
EUR
|
33,026,000
EUR
|
— |
| Liabilities |
15,473,000
EUR
|
12,740,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
1,786,000
EUR
|
2,351,000
EUR
|
— |
| Current liabilities |
1,887,000
EUR
|
2,974,000
EUR
|
— |
| Assets less current liabilities [abstract] |