Summary of material accounting policies, Right-of-use assets and lease liabilities (Details) |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Buildings | |
| Right-of-use assets and lease liabilities: | |
| Estimated lease term | 5 years |
| Office Equipment | |
| Right-of-use assets and lease liabilities: | |
| Estimated lease term | 5 years |
| IT Equipment | |
| Right-of-use assets and lease liabilities: | |
| Estimated lease term | 5 years |