Statement Of Cash Flows [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|
| Statement of cash flows [abstract] | ||
| Cash flows from (used in) operating activities [abstract] | ||
| Increase (decrease) in working capital |
1 297
EUR
|
272,000
EUR
|
| Adjustments for increase (decrease) in deferred income including contract liabilities [abstract] | ||
| Adjustments for increase (decrease) in deferred income other than contract liabilities |
451,000
EUR
|
736,000
EUR
|
| Adjustments for depreciation expense |
1 158
EUR
|
1 198
EUR
|
| Cash flows from (used in) investing activities [abstract] | ||
| Purchase of financial instruments, classified as investing activities |
0
EUR
|
0
EUR
|
| Proceeds from sales or maturity of financial instruments, classified as investing activities |
0
EUR
|
0
EUR
|