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Common Stock - Additional Information (Detail) - $ / shares | Jun. 30, 2025 | Sep. 30, 2024
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Stockholders' Equity Note [Abstract] |  |
Warrants of common stock exercise price | $ 3.98 |
Common stock, warrants issued | 4,899,497 | 4,899,497
Common stock, warrants outstanding | 4,899,497 | 4,899,497

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