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 |
4 094
EUR
|
4 696
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
41 042
EUR
|
63 424
EUR
|
— |
| Goodwill |
41 381
EUR
|
41 002
EUR
|
— |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | |||
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements |
883,000
EUR
|
728,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
35 548
EUR
|
33 486
EUR
|
— |
| Current prepayments and current accrued income other than current contract assets [abstract] | |||
| Current prepayments [abstract] | |||
| Current prepaid expenses |
2 948
EUR
|
3 198
EUR
|
— |
| Other current receivables |
6 371
EUR
|
11 912
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
30 319
EUR
|
22 466
EUR
|
20 241
EUR
|
| Trade and other current payables [abstract] | |||
| Current trade payables |
5 288
EUR
|
6 655
EUR
|
— |
| Categories of non-current financial liabilities [abstract] | |||
| Non-current financial liabilities |
33 832
EUR
|
39 264
EUR
|
— |
| Categories of current financial liabilities [abstract] | |||
| Current financial liabilities |
8 954
EUR
|
8 148
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Other non-current liabilities |
808,000
EUR
|
661,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Current accrued expenses and other current liabilities |
26 609
EUR
|
22 754
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
18 192
EUR
|
18 110
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
45 256
EUR
|
42 477
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
577,000
EUR
|
502,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
201 014
EUR
|
216 359
EUR
|
— |
| Liabilities |
201 014
EUR
|
216 359
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
75 186
EUR
|
71 062
EUR
|
— |
| Current liabilities |
72 805
EUR
|
64 761
EUR
|
— |
| Assets less current liabilities [abstract] |