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 |
13,222,000
USD
|
12,226,000
USD
|
9,591,000
USD
|
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
83,834,000
USD
|
94,083,000
USD
|
79,403,000
USD
|
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
7,201,000
USD
|
7,118,000
USD
|
6,177,000
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 |
194,000
USD
|
—
USD
|
—
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 |
812,000
USD
|
510,000
USD
|
2,543,000
USD
|
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
29,983,000
USD
|
35,901,000
USD
|
28,864,000
USD
|
| Categories of non-current financial assets [abstract] | |||
| 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 |
1,449,000
USD
|
—
USD
|
—
USD
|
| Classes of current inventories [abstract] | |||
| Current inventories |
27,310,000
USD
|
21,157,000
USD
|
16,223,000
USD
|
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
191,924,000
USD
|
205,159,000
USD
|
74,348,000
USD
|
| Miscellaneous current assets [abstract] | |||
| Current restricted cash and cash equivalents |
227,000
USD
|
995,000
USD
|
—
USD
|
| Borrowings [abstract] | |||
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings |
—
USD
|
—
USD
|
51,125,000
USD
|
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Non-current portion of non-current bonds issued |
139,007,000
USD
|
149,727,000
USD
|
—
USD
|
| Current borrowings and current portion of non-current borrowings, by type [abstract] | |||
| Current bonds issued and current portion of non-current bonds issued |
1,879,000
USD
|
2,040,000
USD
|
—
USD
|
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
42,473,000
USD
|
47,666,000
USD
|
40,646,000
USD
|
| Miscellaneous current liabilities [abstract] | |||
| Current derivative financial liabilities |
—
USD
|
181,000
USD
|
301,000
USD
|
| Issued capital [abstract] | |||
| Issued capital |
7,429,000
USD
|
7,312,000
USD
|
7,226,000
USD
|
| Retained earnings [abstract] | |||
| Retained earnings |
273,167,000
USD
|
295,621,000
USD
|
340,715,000
USD
|
| Net assets (liabilities) [abstract] | |||
| Assets |
397,315,000
USD
|
418,453,000
USD
|
255,915,000
USD
|
| Net current assets (liabilities) [abstract] | |||
| Current assets |
249,444,000
USD
|
263,212,000
USD
|
119,435,000
USD
|
| Current liabilities |
46,771,000
USD
|
76,849,000
USD
|
114,254,000
USD
|
| Assets less current liabilities [abstract] |