Property, plant and equipment, net (Details) - USD ($) $ in Thousands |
Jun. 30, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|---|
| Property, Plant and Equipment [Line Items] | |||
| Property, plant and equipment, gross | $ 7,789 | $ 7,124 | $ 26,890 |
| Less: accumulated depreciation | (3,244) | (102) | (3,673) |
| Less: cumulative impairment | (2,384) | (2,384) | |
| Property, plant and equipment, net | 4,545 | 4,638 | 20,833 |
| Land, Buildings and Improvements [Member] | |||
| Property, Plant and Equipment [Line Items] | |||
| Property, plant and equipment, gross | 964 | 865 | 12,565 |
| Machinery [Member] | |||
| Property, Plant and Equipment [Line Items] | |||
| Property, plant and equipment, gross | 5,008 | 4,512 | 11,734 |
| Equipment [Member] | |||
| Property, Plant and Equipment [Line Items] | |||
| Property, plant and equipment, gross | $ 1,817 | 1,747 | 2,591 |
| Asset under Construction [Member] | |||
| Property, Plant and Equipment [Line Items] | |||
| Property, plant and equipment, gross |