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 |
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 |
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] | ||||||||||||||||||||||
| Material income and expense [abstract] | ||||||||||||||||||||||
| Interest expense | — | — | — | — | — | — | — | — | — |
116,000
EUR
|
— |
121,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Selling, general and administrative expense [abstract] | ||||||||||||||||||||||
| General and administrative expense | — | — | — | — | — | — | — | — | — |
7,707,000
EUR
|
— |
7,108,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Sales and marketing expense | — | — | — | — | — | — | — | — | — |
15,739,000
EUR
|
— |
13,411,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| 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 | — | — | — | — | — | — | — | — | — |
236,000
EUR
|
— |
232,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||||||||||||||
| Comprehensive income |
839,000
EUR
|
0
EUR
|
1,955,000
EUR
|
0
EUR
|
1,955,000
EUR
|
0
EUR
|
236,000
EUR
|
6,000
EUR
|
0
EUR
|
2,794,000
EUR
|
1,725,000
EUR
|
4,127,000
EUR
|
0
EUR
|
3,664,000
EUR
|
18,000
EUR
|
0
EUR
|
0
EUR
|
232,000
EUR
|
677,000
EUR
|
0
EUR
|
3,450,000
EUR
|
3,450,000
EUR
|
| Comprehensive income attributable to owners of parent, continuing and discontinued operations [abstract] | ||||||||||||||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — | — | — | — | — | — |
1,955,000
EUR
|
— |
3,450,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
| Comprehensive income attributable to non-controlling interests, continuing and discontinued operations [abstract] | ||||||||||||||||||||||
| Comprehensive income, attributable to non-controlling interests | — | — | — | — | — | — | — | — | — |
839,000
EUR
|
— |
677,000
EUR
|
— | — | — | — | — | — | — | — | — | — |