Property and equipment, net (Details) - USD ($) |
6 Months Ended | ||
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
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| Property and equipment, net (Details) [Line Items] | |||
| Depreciation expenses | $ 196,000 | $ 295,000 | |
| Property, plant and equipment with a total cost | 4,503,000 | $ 10,213,000 | |
| Accumulated depreciation | 2,375,000 | 3,170,000 | |
| Net book value | 2,128,000 | $ 7,043,000 | |
| Loss on disposal | (2,805,000) | $ 0 | |
| Property, Plant and Equipment [Member] | |||
| Property and equipment, net (Details) [Line Items] | |||
| Property, plant and equipment with a total cost | 5,964,918 | ||
| Accumulated depreciation | 1,082,376 | ||
| Net book value | 4,882,542 | ||
| Net cash proceeds from disposals | 2,077,945 | ||
| Loss on disposal | $ 2,804,597 | ||
| X | ||||||||||
- References No definition available.
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| 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
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- 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
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| 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
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- Details
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