Summary of significant accounting policies (Details) |
6 Months Ended |
|---|---|
Jun. 30, 2026 | |
| Office Equipment [Member] | |
| Property, Plant, and Equipment [Line Items] | |
| Estimated useful lives | 3 years |
| Furniture and Fixtures [Member] | Minimum [Member] | |
| Property, Plant, and Equipment [Line Items] | |
| Estimated useful lives | 3 years |
| Furniture and Fixtures [Member] | Maximum [Member] | |
| Property, Plant, and Equipment [Line Items] | |
| Estimated useful lives | 5 years |
| Vehicles [Member] | Minimum [Member] | |
| Property, Plant, and Equipment [Line Items] | |
| Estimated useful lives | 3 years |
| Vehicles [Member] | Maximum [Member] | |
| Property, Plant, and Equipment [Line Items] | |
| Estimated useful lives | 5 years |
| Leasehold Improvements [Member] | |
| Property, Plant, and Equipment [Line Items] | |
| Estimated useful lives | lesser of lease term or expected useful life |