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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||
| Statement of changes in equity [line items] | |||||||||||
| Increase (decrease) through exercise of options, equity | — |
10,000
EUR
|
414,000
EUR
|
404,000
EUR
|
414,000
EUR
|
— |
9,000
EUR
|
389,000
EUR
|
389,000
EUR
|
— |
380,000
EUR
|
| Increase (decrease) through exercise of warrants, equity | — | — | — | — |
—
EUR
|
13,000
EUR
|
336,000
EUR
|
20 351
EUR
|
20 351
EUR
|
— |
20 002
EUR
|
| Share issue related cost |
212,000
EUR
|
— |
212,000
EUR
|
— |
212,000
EUR
|
— | — |
253,000
EUR
|
253,000
EUR
|
253,000
EUR
|
— |