Statement Of Cash Flows [Abstract]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
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] | |||||||
| Income taxes paid (refund), classified as operating activities | — |
3,000
EUR
|
— |
2,000
EUR
|
— |
—
EUR
|
— |
| Cash flows from (used in) operating activities | — |
31 764
EUR
|
— |
56 770
EUR
|
— |
51 720
EUR
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||||
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
37 630
EUR
|
— |
—
EUR
|
— |
83,000
EUR
|
— |
| Purchase of property, plant and equipment, classified as investing activities | — |
85,000
EUR
|
— |
298,000
EUR
|
— |
1 139
EUR
|
— |
| Purchase of intangible assets, classified as investing activities | — |
—
EUR
|
— |
—
EUR
|
— |
2,000
EUR
|
— |
| Cash flows from (used in) investing activities | — |
38 127
EUR
|
— |
345,000
EUR
|
— |
1 475
EUR
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||||
| Proceeds from issuing shares | — |
—
EUR
|
— |
34 631
EUR
|
— |
118,000
EUR
|
— |
| Proceeds from issuing other equity instruments | — |
—
EUR
|
— |
—
EUR
|
— |
12,000
EUR
|
— |
| Proceeds from borrowings, classified as financing activities | — |
3 081
EUR
|
— |
12 157
EUR
|
— |
27 134
EUR
|
— |
| Repayments of borrowings, classified as financing activities | — |
3 081
EUR
|
— |
—
EUR
|
— |
62,000
EUR
|
— |
| Payments of lease liabilities, classified as financing activities | — |
1 545
EUR
|
— |
1 702
EUR
|
— |
1 615
EUR
|
— |
| Interest paid, classified as financing activities | — |
223,000
EUR
|
— |
374,000
EUR
|
— |
326,000
EUR
|
— |
| Cash flows from (used in) financing activities | — |
1 768
EUR
|
— |
44 712
EUR
|
— |
25 449
EUR
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
495,000
EUR
|
— |
1 656
EUR
|
— |
981,000
EUR
|
— |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
5 090
EUR
|
— |
10 747
EUR
|
— |
28 727
EUR
|
— |
| Cash and cash equivalents |
38 789
EUR
|
— |
33 699
EUR
|
— |
44 446
EUR
|
— |
73 173
EUR
|