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] | |||||
| Classes of cash receipts from operating activities [abstract] | |||||
| Receipts from sales of goods and rendering of services | — |
117,001,000
EUR
|
— |
114,378,000
EUR
|
— |
| Receipts from royalties, fees, commissions and other revenue | — |
144,000
EUR
|
— |
94,000
EUR
|
— |
| Classes of cash payments from operating activities [abstract] | |||||
| Payments to suppliers for goods and services | — |
44,427,000
EUR
|
— |
41,354,000
EUR
|
— |
| Payments to and on behalf of employees | — |
18,665,000
EUR
|
— |
15,713,000
EUR
|
— |
| Other cash payments from operating activities | — |
451,000
EUR
|
— |
376,000
EUR
|
— |
| Income taxes paid (refund), classified as operating activities | — |
3,440,000
EUR
|
— |
4,913,000
EUR
|
— |
| Other inflows (outflows) of cash, classified as operating activities | — |
0
EUR
|
— |
2,600,000
EUR
|
— |
| Cash flows from (used in) operating activities | — |
50,162,000
EUR
|
— |
49,516,000
EUR
|
— |
| Cash flows from (used in) investing activities [abstract] | |||||
| Proceeds from sales of property, plant and equipment, classified as investing activities | — |
2,573,000
EUR
|
— |
2,863,000
EUR
|
— |
| Purchase of property, plant and equipment, classified as investing activities | — |
14,535,000
EUR
|
— |
35,811,000
EUR
|
— |
| Purchase of intangible assets, classified as investing activities | — |
641,000
EUR
|
— |
661,000
EUR
|
— |
| Proceeds from government grants, classified as investing activities | — |
409,000
EUR
|
— |
3,561,000
EUR
|
— |
| Interest received, classified as investing activities | — |
3,000
EUR
|
— |
15,000
EUR
|
— |
| Cash flows from (used in) investing activities | — |
12,191,000
EUR
|
— |
30,033,000
EUR
|
— |
| Cash flows from (used in) financing activities [abstract] | |||||
| Proceeds from borrowings, classified as financing activities | — |
0
EUR
|
— |
20,000,000
EUR
|
— |
| Repayments of borrowings, classified as financing activities | — |
8,266,000
EUR
|
— |
7,266,000
EUR
|
— |
| Dividends paid, classified as financing activities | — |
20,085,000
EUR
|
— |
30,008,000
EUR
|
— |
| Interest paid, classified as financing activities | — |
1,458,000
EUR
|
— |
1,694,000
EUR
|
— |
| Other inflows (outflows) of cash, classified as financing activities | — |
1,000
EUR
|
— |
19,000
EUR
|
— |
| Cash flows from (used in) financing activities | — |
29,810,000
EUR
|
— |
27,987,000
EUR
|
— |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
8,161,000
EUR
|
— |
8,504,000
EUR
|
— |
| Cash and cash equivalents |
34,840,000
EUR
|
— |
26,679,000
EUR
|
— |
35,183,000
EUR
|