Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
9,846,000
EUR
|
10,099,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
267,000
EUR
|
290,000
EUR
|
— |
| Investment property [abstract] | |||
| Investment property |
31,400,000
EUR
|
28,335,000
EUR
|
— |
| Trade and other non-current receivables [abstract] | |||
| Non-current trade receivables |
29,000
EUR
|
228,000
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
15,069,000
EUR
|
11,210,000
EUR
|
— |
| Current prepayments and current accrued income other than current contract assets [abstract] | |||
| Current prepayments [abstract] | |||
| Current prepayments |
1,766,000
EUR
|
388,000
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Current accrued income including current contract assets [abstract] | |||
| Current contract assets |
3,414,000
EUR
|
774,000
EUR
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
10,129,000
EUR
|
9,866,000
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
11,888,000
EUR
|
9,410,000
EUR
|
6,674,000
EUR
|
| Miscellaneous current assets [abstract] | |||
| Other current assets |
1,243,000
EUR
|
1,014,000
EUR
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
19,441,000
EUR
|
EUR
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings and current portion of non-current borrowings |
816,000
EUR
|
15,529,000
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 |
15,660,000
EUR
|
9,888,000
EUR
|
— |
| Current accruals and current deferred income including current contract liabilities [abstract] | |||
| Current deferred income including current contract liabilities [abstract] | |||
| Current contract liabilities [abstract] | |||
| Current contract liabilities |
3,771,000
EUR
|
3,791,000
EUR
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Other non-current liabilities |
784,000
EUR
|
304,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Other current liabilities |
13,070,000
EUR
|
13,783,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
4,742,000
EUR
|
4,742,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
17,713,000
EUR
|
14,498,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
86,204,000
EUR
|
72,394,000
EUR
|
— |
| Liabilities |
55,650,000
EUR
|
45,245,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
43,569,000
EUR
|
32,675,000
EUR
|
— |
| Current liabilities |
33,585,000
EUR
|
43,393,000
EUR
|
— |
| Assets less current liabilities [abstract] |