Statement Of Cash Flows [Abstract]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||
| Cash flows from (used in) operating activities [abstract] | |||||
| Interest paid, classified as operating activities | — |
116,000
EUR
|
— |
121,000
EUR
|
— |
| Interest received, classified as operating activities | — |
78,000
EUR
|
— |
5,000
EUR
|
— |
| Cash flows from (used in) operating activities | — |
2,208,000
EUR
|
— |
3,300,000
EUR
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Other cash receipts from sales of equity or debt instruments of other entities, classified as investing activities | — |
0
EUR
|
— |
0
EUR
|
— |
| Other cash payments to acquire equity or debt instruments of other entities, classified as investing activities | — |
1,999,000
EUR
|
— |
994,000
EUR
|
— |
| Cash flows from (used in) investing activities | — |
2,241,000
EUR
|
— |
1,771,000
EUR
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from issuing shares | — |
87,000
EUR
|
— |
163,000
EUR
|
— |
| Payments to acquire or redeem entity's shares | — |
2,576,000
EUR
|
— |
1,141,000
EUR
|
— |
| Payments of lease liabilities, classified as financing activities | — |
757,000
EUR
|
— |
763,000
EUR
|
— |
| Cash flows from (used in) financing activities | — |
3,829,000
EUR
|
— |
2,196,000
EUR
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
3,862,000
EUR
|
— |
667,000
EUR
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||
| Effect of exchange rate changes on cash and cash equivalents | — |
236,000
EUR
|
— |
232,000
EUR
|
— |
| Cash and cash equivalents |
20,704,000
EUR
|
— |
24,330,000
EUR
|
— |
25,229,000
EUR
|