Analysis Of Income And Expense [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | |||||||||
| Revenue [abstract] | |||||||||
| Interest income | — | — | — | — | — | — | — | — | — |
| Interest income on cash and cash equivalents | — | — | — |
31,000
EUR
|
— | — |
41,000
EUR
|
41,000
EUR
|
— |
| Revenue | — | — | — |
226 623
EUR
|
— | — |
267 508
EUR
|
267 508
EUR
|
— |
| Material income and expense [abstract] | |||||||||
| Finance income (cost) | — | — | — |
5 941
EUR
|
— | — |
5 136
EUR
|
5 136
EUR
|
— |
| Other finance income (cost) | — | — | — |
75,000
EUR
|
— | — |
2 001
EUR
|
2 001
EUR
|
— |
| Interest income (expense) | — | — | — |
5 972
EUR
|
— | — |
5 177
EUR
|
5 177
EUR
|
— |
| Expenses by nature [abstract] | |||||||||
| Classes of employee benefits expense [abstract] | |||||||||
| Employee benefits expense | — | — | — |
57 420
EUR
|
— | — |
64 102
EUR
|
64 102
EUR
|
— |
| Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract] | |||||||||
| Depreciation and amortisation expense [abstract] | |||||||||
| Depreciation and amortisation expense | — | — | — |
12 023
EUR
|
— | — |
12 807
EUR
|
12 807
EUR
|
— |
| Tax expense other than income tax expense | — | — | — |
2 731
EUR
|
— | — |
2 965
EUR
|
2 965
EUR
|
— |
| Disclosure of attribution of expenses by nature to their function [text block] | — | — | — | — | — | — | — | — | — |
| Disclosure of attribution of expenses by nature to their function [abstract] | |||||||||
| Disclosure of attribution of expenses by nature to their function [line items] | |||||||||
| Miscellaneous other comprehensive income [abstract] | |||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | |||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations |
714,000
EUR
|
714,000
EUR
|
6,000
EUR
|
720,000
EUR
|
795,000
EUR
|
8,000
EUR
|
803,000
EUR
|
— |
795,000
EUR
|
| Other comprehensive income, before tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | |||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations | — | — | — |
714,000
EUR
|
— | — |
795,000
EUR
|
795,000
EUR
|
— |
| Comprehensive income, continuing and discontinued operations [abstract] | |||||||||
| Comprehensive income | — | — | — |
469,000
EUR
|
— | — |
7 452
EUR
|
7 458
EUR
|
— |
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | |||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
468,000
EUR
|
— | — |
7,447,000
EUR
|
7,452,000
EUR
|
— |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | |||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — |
1,000
EUR
|
— | — |
5,000
EUR
|
5,000
EUR
|
— |