Statement Of Cash Flows [Abstract]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
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] | |||||||
| Profit (loss) | — |
6,035,000
EUR
|
6,035,000
EUR
|
7,692,000
EUR
|
— |
7,692,000
EUR
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||
| Adjustments for decrease (increase) in inventories | — |
2,905,000
EUR
|
— | — | — |
149,000
EUR
|
— |
| Other adjustments to reconcile profit (loss) | — |
48,000
EUR
|
— | — | — |
43,000
EUR
|
— |
| Cash flows from (used in) operations | — |
11,112,000
EUR
|
— | — | — |
15,376,000
EUR
|
— |
| Dividends received, classified as operating activities | — |
-
EUR
|
— | — | — |
7,000
EUR
|
— |
| Interest paid, classified as operating activities | — |
1,331,000
EUR
|
— | — | — |
2,319,000
EUR
|
— |
| Interest received, classified as operating activities | — |
-
EUR
|
— | — | — |
0
EUR
|
— |
| Income taxes paid (refund), classified as operating activities | — |
801,000
EUR
|
— | — | — |
355,000
EUR
|
— |
| Cash flows from (used in) operating activities | — |
8,979,000
EUR
|
— | — | — |
12,709,000
EUR
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||||
| Other inflows (outflows) of cash, classified as investing activities | — |
-
EUR
|
— | — | — |
4,000
EUR
|
— |
| Cash flows from (used in) investing activities | — |
4,665,000
EUR
|
— | — | — |
3,197,000
EUR
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||||
| Proceeds from issuing shares | — |
10,000,000
EUR
|
— | — | — |
-
EUR
|
— |
| Payments of lease liabilities, classified as financing activities | — |
1,286,000
EUR
|
— | — | — |
1,183,000
EUR
|
— |
| Cash flows from (used in) financing activities | — |
4,857,000
EUR
|
— | — | — |
9,516,000
EUR
|
— |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
9,172,000
EUR
|
— | — | — |
3,000
EUR
|
— |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
88,000
EUR
|
— | — | — |
81,000
EUR
|
— |
| Cash and cash equivalents |
14,334,000
EUR
|
— | — | — |
5,250,000
EUR
|
— |
5,173,000
EUR
|