Statement Of Financial Position [Abstract]
| Concept |
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 |
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 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — |
127,492,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
126,330,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — | — | — |
2,138,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,274,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — | — | — |
844,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,260,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — | — |
1,626,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,641,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets | — | — | — | — | — |
9,736,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,042,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current non-financial assets | — | — | — | — | — |
98,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — | — |
142,463,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
135,053,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||||||||||||
| Current inventories | — | — | — | — | — |
2,197,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,010,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current | — | — | — | — | — |
303,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — |
32,506,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
9,893,000
EUR
|
— | — | — | — | — |
12,406,000
EUR
|
— | — | — | — | — | — |
| Current assets | — | — | — | — | — |
54,155,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
23,851,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — |
196,618,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
158,904,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||||||||
| Issued capital | — | — | — | — | — |
600,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
600,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — | — | — |
24,680,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
22,098,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — | — | — |
31,443,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
23,946,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares | — | — | — | — | — |
38,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
87,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — | — | — |
51,688,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
40,235,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — | — | — |
150,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
121,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
38,000
EUR
|
13,000
EUR
|
24,680,000
EUR
|
40,251,000
EUR
|
38,000
EUR
|
51,538,000
EUR
|
2,039,000
EUR
|
51,688,000
EUR
|
31,443,000
EUR
|
150,000
EUR
|
2,022,000
EUR
|
600,000
EUR
|
13,000
EUR
|
40,679,000
EUR
|
325,000
EUR
|
87,000
EUR
|
22,098,000
EUR
|
121,000
EUR
|
40,235,000
EUR
|
600,000
EUR
|
87,000
EUR
|
2,580,000
EUR
|
23,946,000
EUR
|
40,114,000
EUR
|
13,000
EUR
|
37,926,000
EUR
|
29,220,000
EUR
|
88,000
EUR
|
929,000
EUR
|
37,843,000
EUR
|
23,760,000
EUR
|
16,410,000
EUR
|
88,000
EUR
|
187,000
EUR
|
600,000
EUR
|
83,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||||||||||||||
| Other non-current provisions | — | — | — | — | — |
545,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
520,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — | — | — |
10,199,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
9,885,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — |
111,122,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
103,624,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Current tax liabilities, current | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
630,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — |
33,958,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
15,166,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — | — | — |
145,080,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
118,790,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — |
196,618,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
158,904,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |