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 |
9,689,000
USD
|
10,392,000
USD
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
71,267,000
USD
|
75,121,000
USD
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
2,285,000
USD
|
2,501,000
USD
|
— |
| Trade and other non-current receivables [abstract] | |||
| Non-current prepayments and non-current accrued income other than non-current contract assets [abstract] | |||
| Non-current prepayments |
92,000
USD
|
228,000
USD
|
— |
| Non-current prepayments and non-current accrued income including non-current contract assets [abstract] | |||
| Miscellaneous non-current assets [abstract] | |||
| Non-current restricted cash and cash equivalents |
1,528,000
USD
|
1,099,000
USD
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
46,158,000
USD
|
27,619,000
USD
|
— |
| Categories of non-current financial assets [abstract] | |||
| Non-current financial assets at fair value through profit or loss [abstract] | |||
| Non-current financial assets at fair value through profit or loss |
6,093,000
USD
|
6,827,000
USD
|
— |
| Non-current financial assets at fair value through other comprehensive income [abstract] | |||
| Non-current investments in equity instruments designated at fair value through other comprehensive income |
2,020,000
USD
|
403,000
USD
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
56,760,000
USD
|
42,326,000
USD
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
61,741,000
USD
|
207,342,000
USD
|
191,924,000
USD
|
| Miscellaneous current assets [abstract] | |||
| Current restricted cash and cash equivalents |
—
USD
|
213,000
USD
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Non-current portion of non-current bonds issued |
136,598,000
USD
|
131,618,000
USD
|
— |
| Current borrowings and current portion of non-current borrowings, by type [abstract] | |||
| Current bonds issued and current portion of non-current bonds issued |
1,824,000
USD
|
1,768,000
USD
|
— |
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
72,528,000
USD
|
54,465,000
USD
|
— |
| Issued capital [abstract] | |||
| Issued capital |
7,669,000
USD
|
7,509,000
USD
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
265,262,000
USD
|
256,431,000
USD
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
462,854,000
USD
|
425,797,000
USD
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
316,342,000
USD
|
277,500,000
USD
|
— |
| Current liabilities |
77,968,000
USD
|
59,698,000
USD
|
— |
| Assets less current liabilities [abstract] |