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 |
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 | — |
51,000
EUR
|
— | — |
56,000
EUR
|
— |
| Other revenue | — |
1 149
EUR
|
— | — |
1 456
EUR
|
— |
| Material income and expense [abstract] | ||||||
| Research and development expense | — |
4 650
EUR
|
— | — |
5 785
EUR
|
— |
| Finance income (cost) | — | — | — | — | — | — |
| Other finance income (cost) | — |
33,000
EUR
|
— | — |
26,000
EUR
|
— |
| Expenses by nature [abstract] | ||||||
| Classes of employee benefits expense [abstract] | ||||||
| Expense from share-based payment transactions with employees | — |
56,000
EUR
|
— | — |
139,000
EUR
|
— |
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||
| Share of profit (loss) of associates and joint ventures accounted for using equity method | — |
321,000
EUR
|
— | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||
| Comprehensive income |
241,000
EUR
|
6 609
EUR
|
6 850
EUR
|
6 878
EUR
|
6 917
EUR
|
39,000
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||
| Comprehensive income, attributable to owners of parent | — |
6 609
EUR
|
— | — |
6 917
EUR
|
— |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||
| Comprehensive income, attributable to non-controlling interests | — |
0
EUR
|
— | — |
0
EUR
|
— |