Schedule of derivative financial liabilities (Details) - USD ($) |
Jun. 30, 2026 |
Mar. 31, 2026 |
Sep. 30, 2025 |
|---|---|---|---|
| Notes and other explanatory information [abstract] | |||
| JGB warrant liabilities | $ 11,401,912 | $ 5,115,442 | |
| Other warrant liabilities | 1,061,078 | 97,522 | |
| FAR conversion option | 2,949,923 | 255,671 | |
| Other conversion-option liabilities | 139,865 | 45,495 | |
| Derivative liabilities | $ 15,552,778 | $ 5,514,130 |