Statement Of Changes In Equity [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 |
|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||
| Statement of changes in equity [line items] | |||||||||
| Increase (decrease) through appropriation of retained earnings, equity |
18 098
EUR
|
18 098
EUR
|
— | — | — | — | — |
18 922
EUR
|
18 922
EUR
|
| Increase (decrease) through exercise of warrants, equity | — | — | — | — |
605,000
EUR
|
605,000
EUR
|
605,000
EUR
|
— | — |
| Decrease (increase) through tax on share-based payment transactions, equity | — |
549,000
EUR
|
549,000
EUR
|
549,000
EUR
|
— | — | — | — | — |