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 |
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 |
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 | — | — | — | — | — | — |
35,000
EUR
|
— | — | — |
28,000
EUR
|
— | — | — | — | — |
| Revenue | — | — | — | — | — | — |
53 516
EUR
|
— | — | — |
44 514
EUR
|
— | — | — | — | — |
| Material income and expense [abstract] | ||||||||||||||||
| Finance income (cost) | — | — | — | — | — | — |
335,000
EUR
|
— | — | — |
198,000
EUR
|
— | — | — | — | — |
| Other finance income (cost) | — | — | — | — | — | — |
339,000
EUR
|
— | — | — |
634,000
EUR
|
— | — | — | — | — |
| Interest expense | — | — | — | — | — | — |
709,000
EUR
|
— | — | — |
860,000
EUR
|
— | — | — | — | — |
| Sales and marketing expense | — | — | — | — | — | — |
2 359
EUR
|
— | — | — |
1 905
EUR
|
— | — | — | — | — |
| Share of profit (loss) of associates and joint ventures accounted for using equity method [abstract] | ||||||||||||||||
| Share of profit (loss) of associates accounted for using equity method | — | — | — | — | — | — |
161,000
EUR
|
— | — | — |
129,000
EUR
|
— | — | — | — | — |
| Share of profit (loss) of joint ventures accounted for using equity method | — | — | — | — | — | — |
281,000
EUR
|
— | — | — |
102,000
EUR
|
— | — | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income |
14,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
2 243
EUR
|
2 257
EUR
|
2 243
EUR
|
2 510
EUR
|
0
EUR
|
2 536
EUR
|
26,000
EUR
|
0
EUR
|
2 510
EUR
|
0
EUR
|
0
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — |
2 243
EUR
|
— | — | — |
2 510
EUR
|
— | — | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — |
14,000
EUR
|
— | — | — |
26,000
EUR
|
— | — | — | — | — |