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Convertible Preferred Stock (Tables)
12 Months Ended
Jul. 31, 2025
Temporary Equity Disclosure [Abstract]  
Temporary Equity
The following table presents the allocation of the initial estimated fair value of the Series B-2 Convertible Preferred Stock to its host instrument and combined embedded derivatives on October 17, 2024:

Initial estimated fair value of Series B-2 Convertible Preferred Stock$132,310,000 
Initial estimated fair value and carrying value of combined embedded derivatives38,832,000 
Initial carrying value of Series B-2 Convertible Preferred Stock$93,478,000 
Schedule of Conversions of Stock
The following table presents a reconciliation of the adjustments to increase the carrying values of the Convertible Preferred Stock to their redemption values while outstanding:

Redemption value of Series B-3 Convertible Preferred Stock at July 31, 2025
$204,153,000 
Less: Carrying value of combined embedded derivatives at July 31, 2025
14,608,000 
Carrying value of Series B-3 Convertible Preferred Stock at July 31, 2025
189,545,000 
Less: Initial carrying value of Series B-2 Convertible Preferred Stock on October 17, 2024
93,478,000 
Less: Initial carrying value of Series B-3 Fee on March 3, 20253,221,000 
Adjustment to increase the carrying value of Series B-3 Convertible Preferred Stock
   to its redemption value at July 31, 2025 and Series B-2 Convertible Preferred Stock
  (while outstanding)
92,846,000 
Adjustment to increase carrying value of Series B-1 Convertible Preferred Stock to
   its redemption value (while outstanding)
3,412,000 
Total adjustments to redemption values charged to Stockholder's Equity for the
   fiscal year ended July 31, 2025
$96,258,000