Statement Of Cash Flows [Abstract]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | ||||||||||||||
| Cash flows from (used in) operating activities [abstract] | ||||||||||||||
| Profit (loss) | — |
3,399,000
EUR
|
3,399,000
EUR
|
— |
3,399,000
EUR
|
3,399,000
EUR
|
5,416,000
EUR
|
— |
5,416,000
EUR
|
5,516,000
EUR
|
5,516,000
EUR
|
— | — | — |
| Adjustments to reconcile profit (loss) [abstract] | ||||||||||||||
| Adjustments for income tax expense | — | — |
-
EUR
|
— |
-
EUR
|
— | — | — |
7,000
EUR
|
-
EUR
|
— | — | — | — |
| Adjustments for decrease (increase) in inventories | — | — |
-
EUR
|
— |
-
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
— | — | — | — |
| Adjustments for depreciation and amortisation expense | — | — |
27,000
EUR
|
— |
104,000
EUR
|
— | — | — |
103,000
EUR
|
36,000
EUR
|
— | — | — | — |
| Adjustments for provisions | — | — |
169,000
EUR
|
— |
169,000
EUR
|
— | — | — |
474,000
EUR
|
474,000
EUR
|
— | — | — | — |
| Adjustments for fair value losses (gains) | — | — |
885,000
EUR
|
— |
-
EUR
|
— | — | — |
-
EUR
|
306,000
EUR
|
— | — | — | — |
| Adjustments for losses (gains) on disposal of non-current assets | — | — |
-
EUR
|
— |
-
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
— | — | — | — |
| Cash flows from (used in) operations | — | — |
967,000
EUR
|
— |
1,167,000
EUR
|
— | — | — |
139,000
EUR
|
667,000
EUR
|
— | — | — | — |
| Cash flows from (used in) operating activities | — | — |
967,000
EUR
|
— |
1,163,000
EUR
|
— | — | — |
139,000
EUR
|
667,000
EUR
|
— | — | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||||||
| Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities | — | — |
-
EUR
|
— |
-
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
— | — | — | — |
| Proceeds from sales of property, plant and equipment, classified as investing activities | — | — |
-
EUR
|
— |
-
EUR
|
— | — | — |
148,000
EUR
|
148,000
EUR
|
— | — | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — |
-
EUR
|
— |
31,000
EUR
|
— | — | — |
209,000
EUR
|
6,000
EUR
|
— | — | — | — |
| Interest received, classified as investing activities | — | — |
20,000
EUR
|
— |
18,000
EUR
|
— | — | — |
25,000
EUR
|
43,000
EUR
|
— | — | — | — |
| Cash flows from (used in) investing activities | — | — |
2,686,000
EUR
|
— |
2,456,000
EUR
|
— | — | — |
52,503,000
EUR
|
46,393,000
EUR
|
— | — | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||||||
| Payments to acquire or redeem entity's shares | — | — |
11,017,000
EUR
|
— |
11,017,000
EUR
|
— | — | — |
187,000
EUR
|
187,000
EUR
|
— | — | — | — |
| Proceeds from borrowings, classified as financing activities | — | — |
-
EUR
|
— |
-
EUR
|
— | — | — |
-
EUR
|
-
EUR
|
— | — | — | — |
| Repayments of borrowings, classified as financing activities | — | — |
343,000
EUR
|
— |
343,000
EUR
|
— | — | — |
16,706,000
EUR
|
14,870,000
EUR
|
— | — | — | — |
| Payments of lease liabilities, classified as financing activities | — | — |
220,000
EUR
|
— |
220,000
EUR
|
— | — | — |
203,000
EUR
|
203,000
EUR
|
— | — | — | — |
| Dividends paid, classified as financing activities | — | — |
981,000
EUR
|
— |
981,000
EUR
|
— | — | — |
20,046,000
EUR
|
20,046,000
EUR
|
— | — | — | — |
| Interest paid, classified as financing activities | — | — |
279,000
EUR
|
— |
279,000
EUR
|
— | — | — |
505,000
EUR
|
487,000
EUR
|
— | — | — | — |
| Cash flows from (used in) financing activities | — | — |
12,840,000
EUR
|
— |
12,840,000
EUR
|
— | — | — |
37,647,000
EUR
|
35,793,000
EUR
|
— | — | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — |
9,187,000
EUR
|
— |
14,133,000
EUR
|
— | — | — |
14,995,000
EUR
|
9,933,000
EUR
|
— | — | — | — |
| Cash and cash equivalents |
1,901,000
EUR
|
— | — |
1,205,000
EUR
|
— | — | — |
16,034,000
EUR
|
— | — | — |
10,392,000
EUR
|
459,000
EUR
|
1,039,000
EUR
|