Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||
| Investments accounted for using equity method [abstract] | ||
| Investments accounted for using equity method |
-
USD
|
4,312,000
USD
|
| Trade and other current receivables [abstract] | ||
| Trade and other current receivables |
37,104,000
USD
|
38,722,000
USD
|
| Classes of current inventories [abstract] | ||
| Current inventories |
11,643,000
USD
|
8,885,000
USD
|
| Classes of current inventories, alternative [abstract] | ||
| Cash and cash equivalents [abstract] | ||
| Cash and cash equivalents |
43,415,000
USD
|
62,071,000
USD
|
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract] | ||
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners |
10,197,000
USD
|
-
USD
|
| Borrowings [abstract] | ||
| Non-current portion of non-current borrowings |
226,771,000
USD
|
263,089,000
USD
|
| Current borrowings and current portion of non-current borrowings [abstract] | ||
| Current borrowings and current portion of non-current borrowings |
66,534,000
USD
|
46,523,000
USD
|
| Non-current portion of non-current borrowings, by type [abstract] | ||
| Current borrowings and current portion of non-current borrowings, by type [abstract] | ||
| Trade and other current payables [abstract] | ||
| Trade and other current payables |
27,665,000
USD
|
26,367,000
USD
|
| Issued capital [abstract] | ||
| Issued capital |
62,053,000
USD
|
62,053,000
USD
|
| Retained earnings [abstract] | ||
| Retained earnings |
80,568,000
USD
|
43,307,000
USD
|
| Net assets (liabilities) [abstract] | ||
| Assets |
936,316,000
USD
|
1,032,590,000
USD
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
105,033,000
USD
|
114,403,000
USD
|
| Current liabilities |
137,823,000
USD
|
127,474,000
USD
|
| Assets less current liabilities [abstract] |