Statement Of Comprehensive Income [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 |
|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||
| Profit (loss) |
927,000
EUR
|
927,000
EUR
|
927,000
EUR
|
799,000
EUR
|
799,000
EUR
|
799,000
EUR
|
| Other comprehensive income [abstract] | ||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] | ||||||
| Other comprehensive income, net of tax, gains (losses) on revaluation of property, plant and equipment, right-of-use assets and intangible assets |
12 003
EUR
|
12 003
EUR
|
12 003
EUR
|
— | — | — |
| Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans |
4,000
EUR
|
4,000
EUR
|
4,000
EUR
|
11,000
EUR
|
11,000
EUR
|
11,000
EUR
|
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | ||||||
| Exchange differences on translation [abstract] | ||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations |
45,000
EUR
|
45,000
EUR
|
45,000
EUR
|
52,000
EUR
|
52,000
EUR
|
52,000
EUR
|
| Other comprehensive income |
41,000
EUR
|
41,000
EUR
|
41,000
EUR
|
42,000
EUR
|
42,000
EUR
|
42,000
EUR
|
| Comprehensive income attributable to [abstract] | ||||||
| Comprehensive income, attributable to owners of parent | — | — |
886,000
EUR
|
841,000
EUR
|
— | — |