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 2023-01-01 |
As at 2023-01-01 |
As at 2023-01-01 |
As at 2023-01-01 |
As at 2023-01-01 |
As at 2023-01-01 |
As at 2023-01-01 |
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 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||||||
| Property, plant and equipment |
14,729,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
16,093,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
2,506,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
3,187,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
35,235,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
27,943,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||||||
| Current inventories |
9,931,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
13,226,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current tax assets, current |
786,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
7,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
72,655,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
69,872,000
EUR
|
— |
69,872,000
EUR
|
— | — | — | — | — | — | — | — |
63,374,000
EUR
|
— | — | — |
| Current assets |
157,362,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
138,649,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
192,597,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
166,592,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||
| Issued capital |
17,674,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
17,674,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
50,660,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
36,174,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares |
1,256,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,268,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
4,157,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
5,353,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
72,465,000
EUR
|
50,660,000
EUR
|
4,157,000
EUR
|
17,674,000
EUR
|
-
EUR
|
1,256,000
EUR
|
1,230,000
EUR
|
36,174,000
EUR
|
3,000
EUR
|
884,000
EUR
|
2,268,000
EUR
|
5,353,000
EUR
|
17,674,000
EUR
|
57,814,000
EUR
|
884,000
EUR
|
57,814,000
EUR
|
5,353,000
EUR
|
36,174,000
EUR
|
2,268,000
EUR
|
17,674,000
EUR
|
3,000
EUR
|
52,000
EUR
|
31,922,000
EUR
|
17,674,000
EUR
|
53,626,000
EUR
|
4,846,000
EUR
|
1,648,000
EUR
|
884,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||||||
| Non-current provisions for employee benefits |
943,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,103,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
14,319,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
5,022,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||||||
| Current provisions |
1,583,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,117,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables |
38,467,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
42,384,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
690,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
561,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
105,813,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
103,756,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
120,132,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
108,778,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
192,597,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
166,592,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |