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 |
48,365,000
EUR
|
48,771,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
4,175,000
EUR
|
4,186,000
EUR
|
— |
| Investment property [abstract] | |||
| Investment property |
-
EUR
|
-
EUR
|
— |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | |||
| Investments in subsidiaries reported in separate financial statements |
-
EUR
|
-
EUR
|
— |
| Trade and other non-current receivables [abstract] | |||
| Trade and other non-current receivables |
111,000
EUR
|
288,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current prepayments and current accrued income other than current contract assets [abstract] | |||
| Current prepayments [abstract] | |||
| Current prepayments |
741,000
EUR
|
622,000
EUR
|
— |
| Trade and other current receivables |
17,875,000
EUR
|
14,271,000
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Classes of current inventories [abstract] | |||
| Current inventories |
25,493,000
EUR
|
17,625,000
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
621,000
EUR
|
799,000
EUR
|
181,000
EUR
|
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
12,978,000
EUR
|
17,050,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings and current portion of non-current borrowings |
9,238,000
EUR
|
6,420,000
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] | |||
| 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 other than non-current contract liabilities | — | — | — |
| Non-current government grants |
3,743,000
EUR
|
4,125,000
EUR
|
— |
| Trade and other non-current payables |
42,000
EUR
|
53,000
EUR
|
— |
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
20,713,000
EUR
|
19,873,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
3,463,000
EUR
|
3,463,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
40,749,000
EUR
|
30,510,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
98,463,000
EUR
|
87,974,000
EUR
|
— |
| Liabilities |
48,561,000
EUR
|
48,393,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
44,730,000
EUR
|
33,317,000
EUR
|
— |
| Current liabilities |
30,609,000
EUR
|
26,762,000
EUR
|
— |
| Assets less current liabilities [abstract] |