Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2020-12-31 |
As at 2020-01-01 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-01-01 |
As at 2019-01-01 |
|---|---|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||||||
| Property, plant and equipment [abstract] | ||||||
| Property, plant and equipment |
4,063
EUR
|
— | — |
151,000
EUR
|
155,000
EUR
|
— |
| Trade and other non-current receivables [abstract] | ||||||
| Non-current trade receivables |
55,000
EUR
|
— | — |
0
EUR
|
0
EUR
|
— |
| Trade and other current receivables [abstract] | ||||||
| Current prepayments and current accrued income other than current contract assets [abstract] | ||||||
| Current prepayments [abstract] | ||||||
| Current advances to suppliers |
0
EUR
|
— | — |
0
EUR
|
0
EUR
|
— |
| Other current receivables |
639,000
EUR
|
— | — |
112,000
EUR
|
98,000
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | ||||||
| Trade and other receivables [abstract] | ||||||
| Trade receivables |
263,000
EUR
|
— | — |
370,000
EUR
|
786,000
EUR
|
— |
| Receivables due from related parties |
24,000
EUR
|
— | — |
38,000
EUR
|
624,000
EUR
|
— |
| Classes of current inventories [abstract] | ||||||
| Current inventories |
653,000
EUR
|
— | — |
222,000
EUR
|
143,000
EUR
|
— |
| Classes of current inventories, alternative [abstract] | ||||||
| Cash and cash equivalents [abstract] | ||||||
| Cash and cash equivalents |
419,000
EUR
|
130,000
EUR
|
— |
130,000
EUR
|
9,000
EUR
|
— |
| Classes of other provisions [abstract] | ||||||
| Other provisions [abstract] | ||||||
| Other non-current provisions |
28,000
EUR
|
— | — |
5,000
EUR
|
5,000
EUR
|
— |
| Other current provisions |
220,000
EUR
|
— | — |
207,000
EUR
|
546,000
EUR
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | ||||||
| Non-current portion of non-current loans received |
4,384
EUR
|
— | — |
800,000
EUR
|
928,000
EUR
|
— |
| Current borrowings and current portion of non-current borrowings, by type [abstract] | ||||||
| Current loans received and current portion of non-current loans received |
1,140
EUR
|
— | — |
224,000
EUR
|
216,000
EUR
|
— |
| Trade and other non-current payables [abstract] | ||||||
| Other non-current payables |
0
EUR
|
— | — |
65,000
EUR
|
175,000
EUR
|
— |
| Trade and other current payables [abstract] | ||||||
| Current accruals and current deferred income including current contract liabilities [abstract] | ||||||
| Current deferred income including current contract liabilities [abstract] | ||||||
| Current contract liabilities [abstract] | ||||||
| Current advances received, representing current contract liabilities for performance obligations satisfied at point in time |
251,000
EUR
|
— | — |
0
EUR
|
0
EUR
|
— |
| Other current payables |
807,000
EUR
|
— | — |
388,000
EUR
|
437,000
EUR
|
— |
| Trade and other payables [abstract] | ||||||
| Trade payables |
956,000
EUR
|
— | — |
342,000
EUR
|
578,000
EUR
|
— |
| Accruals and deferred income including contract liabilities [abstract] | ||||||
| Deferred income including contract liabilities [abstract] | ||||||
| Deferred income other than contract liabilities | — | — | — | — | — | — |
| Government grants |
97,000
EUR
|
— | — |
0
EUR
|
0
EUR
|
— |
| Issued capital [abstract] | ||||||
| Issued capital |
3,730
EUR
|
— | — |
3,719
EUR
|
3,719
EUR
|
— |
| Retained earnings [abstract] | ||||||
| Retained earnings | — | — |
1,579
EUR
|
— | — |
5,118
EUR
|
| Net assets (liabilities) [abstract] | ||||||
| Assets |
7,665
EUR
|
— | — |
1,498
EUR
|
2,366
EUR
|
— |
| Liabilities |
9,370
EUR
|
— | — |
3,325
EUR
|
3,414
EUR
|
— |
| Net current assets (liabilities) [abstract] | ||||||
| Current assets |
1,997
EUR
|
— | — |
871,000
EUR
|
1,661
EUR
|
— |
| Current liabilities |
3,839
EUR
|
— | — |
1,776
EUR
|
1,874
EUR
|
— |
| Assets less current liabilities [abstract] |