Summary of principal accounting policies (Details Narrative) |
12 Months Ended |
|---|---|
Dec. 31, 2024 | |
| Property, Plant and Equipment [Line Items] | |
| Income tax description | Recognized income tax positions are measured at the largest amount that is greater than 50% likely of being realized. |
| Minimum [Member] | |
| Property, Plant and Equipment [Line Items] | |
| Finite-lived intangible asset, useful life | 3 years |
| Maximum [Member] | |
| Property, Plant and Equipment [Line Items] | |
| Finite-lived intangible asset, useful life | 10 years |