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 |
264,449,000
USD
|
257,080,000
USD
|
— |
| Trade and other non-current receivables [abstract] | |||
| Trade and other non-current receivables |
26,000
USD
|
30,000
USD
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current investments other than investments accounted for using equity method |
6,000
USD
|
7,000
USD
|
— |
| Long-term deposits |
748,000
USD
|
831,000
USD
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
1,449,000
USD
|
1,869,000
USD
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
6,590,000
USD
|
2,713,000
USD
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash [abstract] | |||
| Cash |
17,012,000
USD
|
28,523,000
USD
|
— |
| Cash and cash equivalents |
17,480,000
USD
|
28,909,000
USD
|
24,471,000
USD
|
| Miscellaneous current assets [abstract] | |||
| Current restricted cash and cash equivalents |
468,000
USD
|
386,000
USD
|
— |
| Other current assets |
1,593,000
USD
|
1,573,000
USD
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
50,000,000
USD
|
51,156,000
USD
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
19,018,000
USD
|
10,771,000
USD
|
— |
| Issued capital [abstract] | |||
| Issued capital |
1,051,000
USD
|
917,000
USD
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
215,403,000
USD
|
82,625,000
USD
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
4,089,000
USD
|
185,000
USD
|
— |
| Miscellaneous equity [abstract] | |||
| Reserve of share-based payments |
3,741,000
USD
|
2,015,000
USD
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
311,740,000
USD
|
320,959,000
USD
|
— |
| Liabilities |
72,184,000
USD
|
65,500,000
USD
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
43,907,000
USD
|
59,674,000
USD
|
— |
| Current liabilities |
19,342,000
USD
|
11,253,000
USD
|
— |
| Assets less current liabilities [abstract] |