Statement Of Cash Flows [Abstract]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 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] | ||||||||||
| Cash flows from (used in) operating activities | — |
345,000
EUR
|
— |
358,000
EUR
|
— |
29,000
EUR
|
0
EUR
|
— | — | — |
| Cash flows from (used in) investing activities [abstract] | ||||||||||
| Purchase of property, plant and equipment, classified as investing activities | — |
1 240
EUR
|
— |
1 240
EUR
|
— |
391,000
EUR
|
382,000
EUR
|
— | — | — |
| Purchase of intangible assets, classified as investing activities | — |
402,000
EUR
|
— |
402,000
EUR
|
— |
326,000
EUR
|
326,000
EUR
|
— | — | — |
| Cash advances and loans made to other parties, classified as investing activities | — |
103,000
EUR
|
— |
103,000
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — |
| Interest received, classified as investing activities | — |
27,000
EUR
|
— |
27,000
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — |
| Other inflows (outflows) of cash, classified as investing activities | — |
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — |
| Cash flows from (used in) investing activities | — |
1 526
EUR
|
— |
1 526
EUR
|
— |
217,000
EUR
|
226,000
EUR
|
— | — | — |
| Cash flows from (used in) financing activities [abstract] | ||||||||||
| Proceeds from borrowings, classified as financing activities | — |
2 105
EUR
|
— |
2 105
EUR
|
— |
54,000
EUR
|
54,000
EUR
|
— | — | — |
| Repayments of borrowings, classified as financing activities | — |
733,000
EUR
|
— |
757,000
EUR
|
— |
682,000
EUR
|
682,000
EUR
|
— | — | — |
| Proceeds from government grants, classified as financing activities | — |
91,000
EUR
|
— |
118,000
EUR
|
— |
1 103
EUR
|
1 045
EUR
|
— | — | — |
| Interest paid, classified as financing activities | — |
478,000
EUR
|
— |
478,000
EUR
|
— |
492,000
EUR
|
492,000
EUR
|
— | — | — |
| Cash flows from (used in) financing activities | — |
985,000
EUR
|
— |
988,000
EUR
|
— |
17,000
EUR
|
75,000
EUR
|
— | — | — |
| Increase (decrease) in cash and cash equivalents before effect of exchange rate changes | — |
196,000
EUR
|
— |
180,000
EUR
|
— |
171,000
EUR
|
151,000
EUR
|
— | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | ||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — |
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
-
EUR
|
— | — | — |
| Cash and cash equivalents |
129,000
EUR
|
— |
53,000
EUR
|
— |
309,000
EUR
|
— | — |
249,000
EUR
|
98,000
EUR
|
138,000
EUR
|