Stock-Based Compensation - Schedule of Weighted-Average Assumptions Used in the Black-Scholes Option-pricing Model (Details) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Schedule of Weighted-Average Assumptions Used in the Black-Scholes Option-pricing Model [Abstract] | ||||
| Expected stock price volatility | 107.10% | 109.90% | 107.10% | 110.00% |
| Expected life of options (years) | 5 years 7 months 6 days | 6 years | 5 years 10 months 24 days | 6 years |
| Expected dividend yield | ||||
| Risk free interest rate | 4.10% | 4.00% | 3.70% | 4.00% |