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 |
19,081,000
EUR
|
18,329,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
3 790
EUR
|
4 527
EUR
|
— |
| Goodwill |
3 821
EUR
|
3 821
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
20,000
EUR
|
1 273
EUR
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current investments other than investments accounted for using equity method |
12,923,000
EUR
|
13,088,000
EUR
|
— |
| Other non-current assets |
41,032,000
EUR
|
19,767,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
75,809,000
EUR
|
103 400
EUR
|
— |
| Other current receivables |
41,489,000
EUR
|
39,071,000
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Current accrued income including current contract assets [abstract] | |||
| Current contract assets |
35,639,000
EUR
|
30,110,000
EUR
|
— |
| Categories of non-current financial assets [abstract] | |||
| Non-current financial assets |
13,000
EUR
|
600,000
EUR
|
— |
| Categories of current financial assets [abstract] | |||
| Current financial assets |
82,000
EUR
|
1 578
EUR
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
74,874,000
EUR
|
84,458,000
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
199 270
EUR
|
153 911
EUR
|
46,090,000
EUR
|
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
29,937,000
EUR
|
41,174,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings |
9 734
EUR
|
15,557,000
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Trade and other current payables [abstract] | |||
| Current trade payables |
47,731,000
EUR
|
41,858,000
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 |
208 112
EUR
|
158 170
EUR
|
— |
| Categories of non-current financial liabilities [abstract] | |||
| Non-current financial liabilities |
654,000
EUR
|
3,000
EUR
|
— |
| Categories of current financial liabilities [abstract] | |||
| Current financial liabilities |
6 996
EUR
|
57,000
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Other non-current liabilities |
8 450
EUR
|
19,278,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Other current liabilities |
58,988,000
EUR
|
48,212,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
42,413,000
EUR
|
42,294,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
51,227,000
EUR
|
51,883,000
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
6 315
EUR
|
5 569
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
546 051
EUR
|
510 996
EUR
|
— |
| Liabilities |
420 155
EUR
|
369 165
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
427 163
EUR
|
412 528
EUR
|
— |
| Current liabilities |
348 563
EUR
|
275 712
EUR
|
— |
| Assets less current liabilities [abstract] |