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Property, Plant and Equipment | 12 Months Ended
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Dec. 31, 2025
Property, Plant and Equipment [Abstract] |
Property, plant and equipment | 11. Property, plant and equipment
|  | At December 31, 2024 |
|  | Original cost |  |  | Accumulated depreciation |  |  | Assets net |
|  | USD’000 |  |  | USD’000 |  |  | USD’000 |
Bearer plant |  |  | 31,009 |  |  |  | 5,558 |  |  |  | 25,451 |
Buildings |  |  | 516 |  |  |  | 306 |  |  |  | 210 |
Plant and machinery |  |  | 483 |  |  |  | 454 |  |  |  | 29 |
Fixtures and equipment |  |  | 18 |  |  |  | 18 |  |  |  | — |
Motor vehicles |  |  | 1 |  |  |  | 1 |  |  |  | — |
Software |  |  | 20 |  |  |  | 20 |  |  |  | — |
Leasehold improvements |  |  | 20 |  |  |  | 19 |  |  |  | 1 |
|  |  | 32,067 |  |  |  | 6,376 |  |  |  | 25,691 |
|  | At December 31, 2025 |
|  | Original cost |  |  | Accumulated depreciation |  |  | Assets net |
|  | USD’000 |  |  | USD’000 |  |  | USD’000 |
Bearer plant |  |  | 32,369 |  |  |  | 6,961 |  |  |  | 25,408 |
Buildings |  |  | 580 |  |  |  | 350 |  |  |  | 230 |
Plant and machinery |  |  | 504 |  |  |  | 475 |  |  |  | 29 |
Fixtures and equipment |  |  | 18 |  |  |  | 18 |  |  |  | — |
Motor vehicles |  |  | 1 |  |  |  | 1 |  |  |  | — |
Software |  |  | 137 |  |  |  | 33 |  |  |  | 104 |
Leasehold improvements |  |  | 20 |  |  |  | 20 |  |  |  | — |
|  |  | 33,629 |  |  |  | 7,858 |  |  |  | 25,771 |
Depreciation expense for property, plant and equipment for the years ended December 31, 2023, 2024 and 2025 was USD1,091,000, USD1,091,000 and USD1,172,000, respectively.

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/360/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 6 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477798/958-360-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477798/958-360-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 7 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477798/958-360-50-7 + Details
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