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 |
93,711,000
EUR
|
92,053,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
5,243,000
EUR
|
3,485,000
EUR
|
— |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | |||
| Investments in subsidiaries reported in separate financial statements |
-
EUR
|
-
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
57,000
EUR
|
57,000
EUR
|
— |
| Trade and other non-current receivables [abstract] | |||
| Trade and other non-current receivables |
518,000
EUR
|
449,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
7,832,000
EUR
|
6,539,000
EUR
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
35,241,000
EUR
|
24,096,000
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
3,337,000
EUR
|
2,446,000
EUR
|
2,541,000
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 or as held for distribution to owners |
-
EUR
|
315,000
EUR
|
— |
| Miscellaneous current assets [abstract] | |||
| Other current assets |
3,840,000
EUR
|
4,355,000
EUR
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
37,160,000
EUR
|
46,115,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings |
32,638,000
EUR
|
11,350,000
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 other than non-current contract liabilities | — | — | — |
| Non-current government grants |
4,463,000
EUR
|
3,105,000
EUR
|
— |
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
25,352,000
EUR
|
19,482,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Other current liabilities |
5,180,000
EUR
|
6,375,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
66,617,000
EUR
|
65,951,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
14,654,000
EUR
|
9,329,000
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Revaluation surplus |
13,565,000
EUR
|
10,250,000
EUR
|
— |
| Miscellaneous equity [abstract] | |||
| Reserve of share-based payments |
2,829,000
EUR
|
3,002,000
EUR
|
— |
| Statutory reserve |
2,041,000
EUR
|
2,041,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
231,418,000
EUR
|
212,479,000
EUR
|
— |
| Liabilities |
153,885,000
EUR
|
133,499,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
70,133,000
EUR
|
57,149,000
EUR
|
— |
| Current liabilities |
70,649,000
EUR
|
45,085,000
EUR
|
— |
| Assets less current liabilities [abstract] |