Earnings/Loss Per Share - Schedule of Common Stock Outstanding Computation of Diluted Net Loss Per Share (Details) - shares |
6 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2026 |
Sep. 30, 2025 |
|
| Options to purchase Class B common stock [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Anti-dilutive diluted net loss per share | 2,137,384 | 6,623,330 |
| Unvested RSAs [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Anti-dilutive diluted net loss per share | 73,500 |