Statement Of Cash Flows [Abstract]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||
| Profit (loss) | — |
65,381,000
EUR
|
65,381,000
EUR
|
65,381,000
EUR
|
— |
71,472,000
EUR
|
71,472,000
EUR
|
71,472,000
EUR
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||
| Adjustments for income tax expense | — | — |
240,000
EUR
|
— | — | — |
243,000
EUR
|
— | — |
| Adjustments for decrease (increase) in inventories | — | — |
5,297,000
EUR
|
— | — | — |
2,737,000
EUR
|
— | — |
| Adjustments for depreciation and amortisation expense | — | — |
10,481,000
EUR
|
— | — | — |
9,845,000
EUR
|
— | — |
| Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss | — | — |
1,178,000
EUR
|
— | — | — |
1,362,000
EUR
|
— | — |
| Adjustments for unrealised foreign exchange losses (gains) | — | — | — | — | — | — |
1,134,000
EUR
|
— | — |
| Adjustments for share-based payments | — | — |
640,000
EUR
|
— | — | — |
760,000
EUR
|
— | — |
| Other adjustments to reconcile profit (loss) | — | — |
78,000
EUR
|
— | — | — |
162,000
EUR
|
— | — |
| Cash flows from (used in) operations | — | — |
38,826,000
EUR
|
— | — | — |
59,285,000
EUR
|
— | — |
| Interest paid, classified as operating activities | — | — |
6,027,000
EUR
|
— | — | — |
6,429,000
EUR
|
— | — |
| Cash flows from (used in) operating activities | — | — |
44,855,000
EUR
|
— | — | — |
65,716,000
EUR
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||
| Other cash payments to acquire interests in joint ventures, classified as investing activities | — | — |
1,000,000
EUR
|
— | — | — |
0
EUR
|
— | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — |
1,569,000
EUR
|
— | — | — |
3,686,000
EUR
|
— | — |
| Purchase of intangible assets, classified as investing activities | — | — |
368,000
EUR
|
— | — | — |
69,000
EUR
|
— | — |
| Interest received, classified as investing activities | — | — |
6,000
EUR
|
— | — | — |
7,000
EUR
|
— | — |
| Cash flows from (used in) investing activities | — | — |
5,431,000
EUR
|
— | — | — |
3,748,000
EUR
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||
| Proceeds from borrowings, classified as financing activities | — | — |
15,000,000
EUR
|
— | — | — |
6,000,000
EUR
|
— | — |
| Repayments of borrowings, classified as financing activities | — | — |
26,301,000
EUR
|
— | — | — |
7,089,000
EUR
|
— | — |
| Interest paid, classified as financing activities | — | — |
73,000
EUR
|
— | — | — |
115,000
EUR
|
— | — |
| Cash flows from (used in) financing activities | — | — |
22,463,000
EUR
|
— | — | — |
1,204,000
EUR
|
— | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — | — |
27,823,000
EUR
|
— | — | — |
70,668,000
EUR
|
— | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — |
426,000
EUR
|
— | — | — |
522,000
EUR
|
— | — |
| Cash and cash equivalents |
26,125,000
EUR
|
— | — | — |
53,522,000
EUR
|
— | — | — |
123,668,000
EUR
|