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] | |||
| Property, plant and equipment |
2,576,000
USD
|
3,221,000
USD
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
9,854,000
USD
|
12,057,000
USD
|
— |
| Goodwill |
2,554,000
USD
|
2,462,000
USD
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current finance lease receivables |
2,341,000
USD
|
540,000
USD
|
— |
| Other non-current assets |
1,886,000
USD
|
1,708,000
USD
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
32,635,000
USD
|
25,855,000
USD
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
152,110,000
USD
|
222,245,000
USD
|
204,415,000
USD
|
| Miscellaneous current assets [abstract] | |||
| Current finance lease receivables |
1,209,000
USD
|
209,000
USD
|
— |
| 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 deferred income including current contract liabilities |
2,471,000
USD
|
2,680,000
USD
|
— |
| Trade and other current payables |
17,132,000
USD
|
24,302,000
USD
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Other non-current liabilities |
374,000
USD
|
164,000
USD
|
— |
| Issued capital [abstract] | |||
| Issued capital |
1,000
USD
|
2,000
USD
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
18,324,000
USD
|
63,854,000
USD
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
726,000
USD
|
2,634,000
USD
|
— |
| Reserve of remeasurements of defined benefit plans |
25,749,000
USD
|
22,894,000
USD
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
217,428,000
USD
|
286,317,000
USD
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
187,634,000
USD
|
248,875,000
USD
|
— |
| Current liabilities |
33,151,000
USD
|
35,614,000
USD
|
— |
| Assets less current liabilities [abstract] |