Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Construction in progress |
0
USD
|
3,000
USD
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Other intangible assets |
12,000
USD
|
106,000
USD
|
— |
| Trade and other non-current receivables [abstract] | |||
| Other non-current receivables |
2,929,000
USD
|
2,693,000
USD
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
1,124,000
USD
|
7,898,000
USD
|
— |
| Other current receivables |
179,000
USD
|
506,000
USD
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
4,010,000
USD
|
4,158,000
USD
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
10,255,000
USD
|
11,434,000
USD
|
9,855,000
USD
|
| Miscellaneous current assets [abstract] | |||
| Current restricted cash and cash equivalents |
193,000
USD
|
196,000
USD
|
— |
| Current finance lease receivables |
0
USD
|
49,000
USD
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
19,584,000
USD
|
19,484,000
USD
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Trade and other current payables [abstract] | |||
| Current trade payables |
1,135,000
USD
|
2,928,000
USD
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
69,407,000
USD
|
61,232,000
USD
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
27,767,000
USD
|
42,681,000
USD
|
— |
| Liabilities |
27,165,000
USD
|
33,999,000
USD
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
15,761,000
USD
|
24,241,000
USD
|
— |
| Current liabilities |
7,443,000
USD
|
14,398,000
USD
|
— |
| Assets less current liabilities [abstract] |