Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||
| Property, plant and equipment [abstract] | ||
| Land and buildings [abstract] | ||
| Land and buildings |
15,301,000
EUR
|
15,820,000
EUR
|
| Construction in progress |
677,000
EUR
|
158,000
EUR
|
| Other property, plant and equipment |
-
EUR
|
-
EUR
|
| Property, plant and equipment |
35,045,000
EUR
|
34,264,000
EUR
|
| Intangible assets and goodwill [abstract] | ||
| Intangible assets other than goodwill [abstract] | ||
| Intangible assets other than goodwill |
4,379,000
EUR
|
46,000
EUR
|
| Goodwill |
22,960,000
EUR
|
6,879,000
EUR
|
| Investments accounted for using equity method [abstract] | ||
| Investments accounted for using equity method |
4,829,000
EUR
|
8,184,000
EUR
|
| Trade and other non-current receivables [abstract] | ||
| Non-current trade receivables |
3,751,000
EUR
|
3,241,000
EUR
|
| Other non-current receivables |
911,000
EUR
|
757,000
EUR
|
| Trade and other current receivables [abstract] | ||
| Current trade receivables |
61,226,000
EUR
|
52,336,000
EUR
|
| Current prepayments and current accrued income other than current contract assets [abstract] | ||
| Current prepayments [abstract] | ||
| Current prepayments |
2,902,000
EUR
|
616,000
EUR
|
| Other current receivables |
6,508,000
EUR
|
4,373,000
EUR
|
| Current prepayments and current accrued income including current contract assets [abstract] | ||
| Current accrued income including current contract assets [abstract] | ||
| Current contract assets |
33,805,000
EUR
|
33,159,000
EUR
|
| Categories of non-current financial assets [abstract] | ||
| Non-current financial assets at fair value through other comprehensive income [abstract] | ||
| Non-current financial assets at fair value through other comprehensive income |
28,857,000
EUR
|
8,986,000
EUR
|
| Classes of current inventories [abstract] | ||
| Current raw materials and current production supplies [abstract] | ||
| Current raw materials and current production supplies |
35,048,000
EUR
|
29,535,000
EUR
|
| Current finished goods |
13,068,000
EUR
|
14,215,000
EUR
|
| Current inventories |
48,116,000
EUR
|
43,750,000
EUR
|
| Classes of current inventories, alternative [abstract] | ||
| Cash and cash equivalents [abstract] | ||
| Cash and cash equivalents |
65,618,000
EUR
|
70,775,000
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 |
441,000
EUR
|
407,000
EUR
|
| Miscellaneous current assets [abstract] | ||
| Current derivative financial assets |
12,000
EUR
|
50,000
EUR
|
| Classes of other provisions [abstract] | ||
| Other provisions [abstract] | ||
| Other current provisions |
12,806,000
EUR
|
10,267,000
EUR
|
| Borrowings [abstract] | ||
| Non-current portion of non-current borrowings |
48,460,000
EUR
|
46,682,000
EUR
|
| Current borrowings and current portion of non-current borrowings [abstract] | ||
| Current borrowings |
10,800,000
EUR
|
9,295,000
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 |
-
EUR
|
1,539,000
EUR
|
| Trade and other current payables [abstract] | ||
| Current trade payables |
20,080,000
EUR
|
17,031,000
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 contract liabilities |
35,283,000
EUR
|
10,896,000
EUR
|
| Miscellaneous non-current liabilities [abstract] | ||
| Non-current derivative financial liabilities |
12,000
EUR
|
99,000
EUR
|
| Miscellaneous current liabilities [abstract] | ||
| Current derivative financial liabilities |
269,000
EUR
|
172,000
EUR
|
| Current accrued expenses and other current liabilities |
11,680,000
EUR
|
9,025,000
EUR
|
| Issued capital [abstract] | ||
| Issued capital |
30,710,000
EUR
|
30,710,000
EUR
|
| Retained earnings [abstract] | ||
| Retained earnings |
123,742,000
EUR
|
111,096,000
EUR
|
| Net assets (liabilities) [abstract] | ||
| Assets |
329,596,000
EUR
|
278,389,000
EUR
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
218,628,000
EUR
|
205,466,000
EUR
|
| Current liabilities |
108,931,000
EUR
|
76,398,000
EUR
|
| Assets less current liabilities [abstract] |