Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
145,549,000
EUR
|
127,492,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
7,479,000
EUR
|
844,000
EUR
|
— |
| Goodwill |
15,446,000
EUR
|
0
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
1,509,000
EUR
|
1,626,000
EUR
|
— |
| Trade and other non-current receivables [abstract] | |||
| Other non-current receivables |
543,000
EUR
|
529,000
EUR
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current derivative financial assets |
5,087,000
EUR
|
0
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
9,624,000
EUR
|
3,756,000
EUR
|
— |
| Current receivables due from related parties |
2,447,000
EUR
|
1,811,000
EUR
|
— |
| Current prepayments and current accrued income other than current contract assets [abstract] | |||
| Current prepayments [abstract] | |||
| Current prepaid expenses |
597,000
EUR
|
268,000
EUR
|
— |
| Other current receivables |
9,039,000
EUR
|
5,327,000
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Current accrued income including current contract assets [abstract] | |||
| Current contract assets |
1,154,000
EUR
|
1,131,000
EUR
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
20,328,000
EUR
|
2,197,000
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
11,271,000
EUR
|
32,506,000
EUR
|
9,893,000
EUR
|
| Miscellaneous current assets [abstract] | |||
| Current restricted cash and cash equivalents |
6,373,000
EUR
|
3,629,000
EUR
|
— |
| Classes of other provisions [abstract] | |||
| Other provisions [abstract] | |||
| Other non-current provisions |
566,000
EUR
|
545,000
EUR
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
58,446,000
EUR
|
41,106,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current portion of non-current borrowings |
7,259,000
EUR
|
4,354,000
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Current borrowings and current portion of non-current borrowings, by type [abstract] | |||
| Current bonds issued and current portion of non-current bonds issued |
3,670,000
EUR
|
24,107,000
EUR
|
— |
| Borrowings, by type [abstract] | |||
| Bonds issued |
76,511,000
EUR
|
57,223,000
EUR
|
— |
| Trade and other current payables [abstract] | |||
| Current trade payables |
11,988,000
EUR
|
2,275,000
EUR
|
— |
| Current accruals and current deferred income including current contract liabilities [abstract] | |||
| Current deferred income including current contract liabilities [abstract] | |||
| Current contract liabilities [abstract] | |||
| Current contract liabilities |
592,000
EUR
|
423,000
EUR
|
— |
| Other current payables |
6,610,000
EUR
|
2,202,000
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Other non-current liabilities |
230,000
EUR
|
373,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
600,000
EUR
|
600,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
15,408,000
EUR
|
24,680,000
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Revaluation surplus |
38,326,000
EUR
|
40,251,000
EUR
|
— |
| Reserve of exchange differences on translation |
2,363,000
EUR
|
2,022,000
EUR
|
— |
| Reserve of cash flow hedges |
4,355,000
EUR
|
2,039,000
EUR
|
— |
| Miscellaneous equity [abstract] | |||
| Statutory reserve |
13,000
EUR
|
13,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
253,806,000
EUR
|
196,618,000
EUR
|
— |
| Liabilities |
183,331,000
EUR
|
145,080,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
64,547,000
EUR
|
54,155,000
EUR
|
— |
| Current liabilities |
33,539,000
EUR
|
33,958,000
EUR
|
— |
| Assets less current liabilities [abstract] |