Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Vehicles [abstract] | |||
| Ships |
317 087
USD
|
326 875
USD
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Non-current net defined benefit asset |
502,000
USD
|
511,000
USD
|
— |
| Trade and other current receivables [abstract] | |||
| Current trade receivables |
3 774
USD
|
993,000
USD
|
— |
| Categories of current financial assets [abstract] | |||
| Current financial assets |
-
USD
|
-
USD
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
233,000
USD
|
182,000
USD
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
26 058
USD
|
23 637
USD
|
12 637
USD
|
| Miscellaneous current assets [abstract] | |||
| Other current assets |
419,000
USD
|
4,384,000
USD
|
— |
| Borrowings [abstract] | |||
| Non-current portion of non-current borrowings |
188 831
USD
|
206 906
USD
|
— |
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings |
18 804
USD
|
18 890
USD
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Trade and other current payables [abstract] | |||
| Current trade payables |
771,000
USD
|
516,000
USD
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Non-current net defined benefit liability |
569,000
USD
|
583,000
USD
|
— |
| Issued capital [abstract] | |||
| Issued capital |
1 976
USD
|
1 976
USD
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
74 562
USD
|
80 362
USD
|
— |
| Miscellaneous equity [abstract] | |||
| Additional paid-in capital |
65 588
USD
|
65 588
USD
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
348 107
USD
|
356 746
USD
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
30 483
USD
|
29 196
USD
|
— |
| Current liabilities |
32 320
USD
|
28 670
USD
|
— |
| Assets less current liabilities [abstract] |