Significant Accounting Policies - Summary of Computation of Diluted Net Income Per Share (Parenthetical) (Detail) |
Jan. 04, 2023
shares
|
Sep. 30, 2026
shares
|
Mar. 09, 2026
$ / shares
|
Sep. 30, 2025
shares
|
|---|---|---|---|---|
| Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Abstract] | ||||
| Capped call transaction initial cap price | $ / shares | $ 421.34 | |||
| Reverse stock split, description | 1-for-32 reverse stock split effected on January 4, 2023 | |||
| Reverse stock split, conversion ratio | 0.03125 | |||
| Warrants outstanding | 11,430,667 | 11,444,235 | ||
| Number of warrants exercisable per common stock | 32 |