Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2018-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
2 285
EUR
|
2 207
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
418,000
EUR
|
361,000
EUR
|
— |
| Goodwill |
0
EUR
|
0
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
4 967
EUR
|
5 564
EUR
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current finance lease receivables |
718,000
EUR
|
1 570
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
5 994
EUR
|
10 304
EUR
|
— |
| Other current receivables |
9 147
EUR
|
11 158
EUR
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
10 173
EUR
|
13 315
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
87 992
EUR
|
126 618
EUR
|
161 457
EUR
|
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract] | |||
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners |
2 716
EUR
|
-
EUR
|
— |
| Miscellaneous current assets [abstract] | |||
| Current finance lease receivables |
745,000
EUR
|
749,000
EUR
|
— |
| Classes of other provisions [abstract] | |||
| Other provisions [abstract] | |||
| Other non-current provisions |
111,000
EUR
|
149,000
EUR
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
1 762
EUR
|
1 511
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings and current portion of non-current borrowings |
729,000
EUR
|
-
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 trade payables |
11 930
EUR
|
16 258
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Other non-current liabilities |
3 365
EUR
|
2 649
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Other current liabilities |
13 494
EUR
|
13 971
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
4 599
EUR
|
4 599
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
5 245
EUR
|
6 288
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
145 419
EUR
|
189 078
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
124 410
EUR
|
168 168
EUR
|
— |
| Current liabilities |
35 143
EUR
|
38 891
EUR
|
— |
| Assets less current liabilities [abstract] |