Summary of significant accounting policies (Details) |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| 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 |