Statement Of Financial Position [Abstract]
| Concept |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment |
66,491,000
EUR
|
— | — | — | — | — | — | — |
67,473,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
2,113,000
EUR
|
— | — | — | — | — | — | — |
1,861,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Investment property |
3,256,000
EUR
|
— | — | — | — | — | — | — |
2,961,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
8,788,000
EUR
|
— | — | — | — | — | — | — |
7,380,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements |
14,980,000
EUR
|
— | — | — | — | — | — | — |
14,980,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other non-current receivables |
2,318,000
EUR
|
— | — | — | — | — | — | — |
4,715,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
2,223,000
EUR
|
— | — | — | — | — | — | — |
1,996,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets |
16,353,000
EUR
|
— | — | — | — | — | — | — |
13,039,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
116,522,000
EUR
|
— | — | — | — | — | — | — |
114,405,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Current inventories |
21,660,000
EUR
|
— | — | — | — | — | — | — |
13,730,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial assets |
2,354,000
EUR
|
— | — | — | — | — | — | — |
2,105,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
1,025,000
EUR
|
— | — | — | — | — | — | — |
2,378,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current assets |
47,006,000
EUR
|
— | — | — | — | — | — | — |
35,024,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
163,528,000
EUR
|
— | — | — | — | — | — | — |
149,429,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital |
54,595,000
EUR
|
— | — | — | — | — | — | — |
55,738,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
1,040,000
EUR
|
— | — | — | — | — | — | — |
642,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
91,115,000
EUR
|
1,040,000
EUR
|
2,773,000
EUR
|
54,595,000
EUR
|
871,000
EUR
|
25,884,000
EUR
|
7,694,000
EUR
|
7,694,000
EUR
|
90,044,000
EUR
|
2,773,000
EUR
|
642,000
EUR
|
921,000
EUR
|
55,738,000
EUR
|
25,402,000
EUR
|
1,141,000
EUR
|
25,520,000
EUR
|
10,931,000
EUR
|
2,773,000
EUR
|
9,864,000
EUR
|
103,685,000
EUR
|
55,738,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||
| Non-current provisions |
385,000
EUR
|
— | — | — | — | — | — | — |
409,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
29,668,000
EUR
|
— | — | — | — | — | — | — |
22,740,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||
| Current provisions |
718,000
EUR
|
— | — | — | — | — | — | — |
931,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
42,745,000
EUR
|
— | — | — | — | — | — | — |
36,645,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
72,413,000
EUR
|
— | — | — | — | — | — | — |
59,385,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
163,528,000
EUR
|
— | — | — | — | — | — | — |
149,429,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |