Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
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 |
1,710,000
EUR
|
1,469,000
EUR
|
| Trade and other current receivables [abstract] | ||
| Current prepayments and current accrued income other than current contract assets [abstract] | ||
| Current prepayments [abstract] | ||
| Current prepayments |
117,000
EUR
|
233,000
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 |
74,197,000
EUR
|
63,335,000
EUR
|
| Categories of current financial assets [abstract] | ||
| Current financial assets at fair value through profit or loss [abstract] | ||
| Current financial assets at fair value through profit or loss |
1,015,000
EUR
|
4,781,000
EUR
|
| Cash and cash equivalents [abstract] | ||
| Cash and cash equivalents |
3,609,000
EUR
|
5,910,000
EUR
|
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract] | ||
| Non-current assets or disposal groups classified as held for sale |
12,356,000
EUR
|
-
EUR
|
| Borrowings [abstract] | ||
| Current borrowings and current portion of non-current borrowings [abstract] | ||
| Current borrowings |
3,300,000
EUR
|
-
EUR
|
| 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 contract liabilities [abstract] | ||
| Non-current contract liabilities for performance obligations satisfied over time |
-
EUR
|
1,326,000
EUR
|
| Trade and other current payables [abstract] | ||
| Current trade payables |
376,000
EUR
|
399,000
EUR
|
| 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 |
3,000
EUR
|
703,000
EUR
|
| Current contract liabilities for performance obligations satisfied over time |
-
EUR
|
184,000
EUR
|
| Miscellaneous non-current liabilities [abstract] | ||
| Other non-current liabilities |
260,000
EUR
|
163,000
EUR
|
| Miscellaneous current liabilities [abstract] | ||
| Other current liabilities |
2,780,000
EUR
|
3,198,000
EUR
|
| Issued capital [abstract] | ||
| Issued capital |
3,494,000
EUR
|
3,474,000
EUR
|
| Retained earnings [abstract] | ||
| Retained earnings |
108,978,000
EUR
|
99,903,000
EUR
|
| Net assets (liabilities) [abstract] | ||
| Assets |
144,026,000
EUR
|
132,025,000
EUR
|
| Liabilities |
13,099,000
EUR
|
10,670,000
EUR
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
22,668,000
EUR
|
16,064,000
EUR
|
| Current liabilities |
9,500,000
EUR
|
4,992,000
EUR
|
| Assets less current liabilities [abstract] |