Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-12-31 |
As at 2023-01-01 |
As at 2022-12-31 |
As at 2022-01-01 |
|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||
| Property, plant and equipment [abstract] | ||||
| Property, plant and equipment |
14,729,000
EUR
|
— |
16,093,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | ||||
| Intangible assets and goodwill |
385,000
EUR
|
— |
644,000
EUR
|
— |
| Trade and other current receivables [abstract] | ||||
| Current trade receivables |
28,603,000
EUR
|
— |
30,290,000
EUR
|
— |
| Current receivables due from related parties |
37,402,000
EUR
|
— |
17,884,000
EUR
|
— |
| Current prepayments and current accrued income other than current contract assets [abstract] | ||||
| Current prepayments [abstract] | ||||
| Current prepayments |
2,254,000
EUR
|
— |
1,169,000
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | ||||
| Trade and other receivables [abstract] | ||||
| Other receivables |
1,496,000
EUR
|
— |
2,077,000
EUR
|
— |
| Categories of non-current financial assets [abstract] | ||||
| Non-current loans and receivables |
2,587,000
EUR
|
— |
2,093,000
EUR
|
— |
| Categories of current financial assets [abstract] | ||||
| Current financial assets at fair value through profit or loss [abstract] | ||||
| Current financial assets at fair value through profit or loss |
4,235,000
EUR
|
— |
4,124,000
EUR
|
— |
| Classes of current inventories [abstract] | ||||
| Current inventories |
9,931,000
EUR
|
— |
13,226,000
EUR
|
— |
| Classes of current inventories, alternative [abstract] | ||||
| Cash and cash equivalents [abstract] | ||||
| Cash and cash equivalents |
72,655,000
EUR
|
69,872,000
EUR
|
69,872,000
EUR
|
63,374,000
EUR
|
| Borrowings [abstract] | ||||
| Non-current portion of non-current borrowings |
114,000
EUR
|
— |
215,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | ||||
| Current borrowings and current portion of non-current borrowings |
469,000
EUR
|
— |
1,876,000
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | ||||
| Current borrowings and current portion of non-current borrowings, by type [abstract] | ||||
| Trade and other current payables [abstract] | ||||
| Current payables to related parties |
15,062,000
EUR
|
— |
7,000,000
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 |
27,085,000
EUR
|
— |
25,515,000
EUR
|
— |
| Trade and other current payables |
38,467,000
EUR
|
— |
42,384,000
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | ||||
| Other non-current liabilities |
12,000
EUR
|
— |
1,000
EUR
|
— |
| Issued capital [abstract] | ||||
| Issued capital |
17,674,000
EUR
|
— |
17,674,000
EUR
|
— |
| Retained earnings [abstract] | ||||
| Retained earnings |
50,660,000
EUR
|
— |
36,174,000
EUR
|
— |
| Accumulated other comprehensive income [abstract] | ||||
| Reserve of exchange differences on translation |
-
EUR
|
— |
3,000
EUR
|
— |
| Miscellaneous equity [abstract] | ||||
| Statutory reserve |
1,230,000
EUR
|
— |
884,000
EUR
|
— |
| Net assets (liabilities) [abstract] | ||||
| Assets |
192,597,000
EUR
|
— |
166,592,000
EUR
|
— |
| Liabilities |
120,132,000
EUR
|
— |
108,778,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | ||||
| Current assets |
157,362,000
EUR
|
— |
138,649,000
EUR
|
— |
| Current liabilities |
105,813,000
EUR
|
— |
103,756,000
EUR
|
— |
| Assets less current liabilities [abstract] |