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Convertible Preferred Stock - Schedule of Conversions of Stock (Details) - USD ($) | 3 Months Ended
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Oct. 31, 2024 | Oct. 31, 2023
Class of Stock [Line Items] |  |
Redemption value of Series B-2 Convertible Preferred Stock at October 31, 2024 | $ 187,814,000 | $ 180,076,000
Less: Carrying value of combined embedded derivatives at October 31, 2024 | 39,114,000 |
Total adjustments to redemption values charged to Stockholder's Equity | 58,634,000 | $ (1,823,000)
Series B-2 Convertible Preferred Stock |  |
Class of Stock [Line Items] |  |
Redemption value of Series B-2 Convertible Preferred Stock at October 31, 2024 | 187,814,000 |
Carrying value of Series B-2 Convertible Preferred Stock at October 31, 2024 | 148,700,000 |
Less: Initial carrying value of Series B-2 Convertible Preferred Stock at October 17, 2024 | 93,478,000 |
Adjustment to increase carrying value of Series Convertible Preferred Stock to its redemption value | 55,222,000 |
Series B-1 Convertible Preferred Stock |  |
Class of Stock [Line Items] |  |
Adjustment to increase carrying value of Series Convertible Preferred Stock to its redemption value | $ 3,412,000 |

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