Shareholders equity (Details 1) - $ / shares |
6 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Sep. 30, 2025 |
Sep. 30, 2024 |
|
| Number of warrants exercisable | 747,040 | ||
| Weighted average exercise price | $ 2.40 | $ 2.40 | $ 2.40 |
| Warrants - Series A [Member] | |||
| Number of warrants exercisable | 747,040 | ||
| Weighted average remaining contractual life (in years) price, Outstanding, Ending balance | 3 years 4 months 24 days | ||
| Weighted average exercise price | $ 2.40 |