Financial instruments, Interest rate risk (Details) - Interest Rate Risk [Member] - USD ($) |
6 Months Ended | 12 Months Ended |
|---|---|---|
Dec. 31, 2025 |
Jun. 30, 2025 |
|
| Interest Rate Risk, 1% Increase [Member] | ||
| Sensitivity analysis [Abstract] | ||
| Increase / decrease, effect on loss before tax | $ 211,689 | $ 255,326 |
| Interest Rate Risk, 1% Decrease [Member] | ||
| Sensitivity analysis [Abstract] | ||
| Increase / decrease, effect on loss before tax | $ 211,689 | $ 255,326 |