Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
22,997,000
EUR
|
24,821,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
20,276,000
EUR
|
22,409,000
EUR
|
— |
| Goodwill |
4,617,000
EUR
|
4,546,000
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
13,744,000
EUR
|
12,525,000
EUR
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Other non-current assets |
1,189,000
EUR
|
1,163,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
13,258,000
EUR
|
10,665,000
EUR
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
43,205,000
EUR
|
39,350,000
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
73,546,000
EUR
|
49,778,000
EUR
|
41,433,000
EUR
|
| Miscellaneous current assets [abstract] | |||
| Other current assets |
3,878,000
EUR
|
5,312,000
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 deferred income other than non-current contract liabilities | — | — | — |
| Non-current government grants |
285,000
EUR
|
366,000
EUR
|
— |
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
25,365,000
EUR
|
18,429,000
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Non-current net defined benefit liability |
1,260,000
EUR
|
2,249,000
EUR
|
— |
| Other non-current liabilities |
0
EUR
|
0
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Other current liabilities |
1,676,000
EUR
|
1,170,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
1,936,000
EUR
|
1,936,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
168,294,000
EUR
|
149,405,000
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Accumulated other comprehensive income |
3,097,000
EUR
|
5,502,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
207,177,000
EUR
|
185,279,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
133,887,000
EUR
|
105,105,000
EUR
|
— |
| Current liabilities |
32,388,000
EUR
|
24,266,000
EUR
|
— |
| Assets less current liabilities [abstract] |