Long-Term borrowings - Lease liabilities with respect to the Right-of-Use assets (Details) - USD ($) |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Long-Term borrowings | ||
| Lease liabilities with respect to the Right-of-Use assets | $ 50,171 | $ 60,740 |
| Office space | ||
| Long-Term borrowings | ||
| Lease liabilities with respect to the Right-of-Use assets | $ 50,171 | $ 60,740 |