Property and equipment, net - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Subtotal | $ 4,503 | $ 10,213 |
| Less: accumulated depreciation | (2,375) | (3,170) |
| Property and equipment, net | 2,128 | 7,043 |
| Buildings [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Subtotal | 1,943 | 7,451 |
| Furniture and equipment [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Subtotal | 581 | 844 |
| Motor vehicles [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Subtotal | 36 | 36 |
| Office improvements [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Subtotal | $ 1,943 | $ 1,882 |
| X | ||||||||||
- Definition Amount of accumulated depreciation, depletion, and amortization of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, before accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, after accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|