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Convertible Preferred Stock (Details) - USD ($)
 6 Months Ended 12 Months Ended
Oct. 17, 2024
Jun. 17, 2024
Jan. 22, 2024
Dec. 13, 2023
Oct. 19, 2021
Oct. 18, 2021
Jan. 31, 2024
Jul. 31, 2024
Jul. 31, 2023
Jul. 31, 2022
Jul. 31, 2021
Class of Stock [Line Items]                      
Series A convertible preferred stock, shares authorized (in shares)               171,827 125,000    
Series A convertible preferred stock, par value per share (in dollars per share)               $ 0.10 $ 0.10    
Temporary equity, stock issued during period, value, new issues               $ 172,035,000   $ 100,000,000  
Issuance of convertible preferred stock (in shares)       100,000 100,000     171,827   100,000  
Preferred stock, par value (in dollars per share)               $ 0.10 $ 0.10    
Convertible preferred stock, shares issued upon conversion (in shares)     115,721.22                
Proceeds from issuance of convertible preferred stock               $ 43,200,000 $ 0 $ 100,000,000  
Issuance of convertible preferred stock, expense reimbursements     $ 1,800,000                
Temporary equity, shares outstanding (in shares)               171,827 100,000 100,000 0
Warrants term               5 years 6 months      
Warrant liability             $ 6,440,000 $ 5,730,000      
Conversion of stock, loss               19,555,000      
Current redemption value               180,076,000 $ 112,211,000    
Convertible preferred stock, accrued dividends               1,341,000 $ 604,000    
Carrying value adjustment in the period               15,900,000      
Convertible Preferred Stock                      
Class of Stock [Line Items]                      
Series A convertible preferred stock, shares authorized (in shares)     50,000,000     125,000          
Series A convertible preferred stock, par value per share (in dollars per share)           $ 0.10          
Temporary equity, stock issued during period, value, new issues           $ 125,000,000          
Convertible preferred stock, aggregate purchase price, price per share (in dollars per share)           $ 1,000          
Temporary equity, dividend rate, paid-in-cash, percent     7.75%                
Dividend rate, percent     6.50%                
Temporary equity, preferred stock redemption, percent     50.00%                
Temporary equity, stock price change, period     30 days                
Liquidation preference per share (in dollars per share)     $ 7.99                
Disposition of business, maximum fair value     $ 75,000,000                
Temporary equity, carrying amount, attributable to parent   $ 178,112,000                  
Current redemption value               180,076,000      
Convertible preferred stock, accrued dividends               623,000      
Carrying value adjustment in the period               3,510,000      
Series B Preferred Stock                      
Class of Stock [Line Items]                      
Shares, issued and sold (in shares)     45,000                
Preferred stock, par value (in dollars per share)     $ 0.10                
Shares issued during period, value     $ 45,000,000                
Shares issued, price per share (in dollars per share)     $ 1,000                
Shares, issued (in shares)     5,400                
Proceeds from issuance of convertible preferred stock     $ 43,200,000                
Temporary equity, shares outstanding (in shares)   166,121.22                  
Temporary equity, dividend rate, paid-in-kind, percent     9.00%                
Preferred stock, liquidation rate     1.0                
Preferred stock, conversion rate     1.5                
Carrying value adjustment in the period               $ 12,390,000      
Series A-1 Convertible Preferred Stock                      
Class of Stock [Line Items]                      
Series A convertible preferred stock, par value per share (in dollars per share)       $ 0.10              
Issuance of convertible preferred stock (in shares)     100,000 100,000              
Preferred stock, liquidation preference per share (in dollars per share)       $ 1,134.2              
Series B-1 Convertible Preferred Stock                      
Class of Stock [Line Items]                      
Series A convertible preferred stock, par value per share (in dollars per share)   $ 0.10                  
Issuance of convertible preferred stock (in shares)   5,705.83                  
Temporary equity, stock issued during period, shares, exchanged (in shares)   166,121.22                  
Temporary equity, liquidation preference (in dollars per share)   $ 1,036.58                  
Preferred stock, convertible, conversion price (in dollars per share)   $ 7.99                  
Series B-1 Convertible Preferred Stock | Subsequent Event                      
Class of Stock [Line Items]                      
Temporary equity, stock issued during period, shares, exchanged (in shares) 171,827.05                    
Temporary equity, liquidation preference (in dollars per share) $ 1,067.87                    
Series B-2 Convertible Preferred Stock | Subsequent Event                      
Class of Stock [Line Items]                      
Issuance of convertible preferred stock (in shares) 3,436.53                    
Temporary equity, stock issued during period, shares, exchanged (in shares) 171,827.05                    
Preferred stock, convertible, conversion price (in dollars per share) $ 0.10                    
IPO | Convertible Preferred Stock                      
Class of Stock [Line Items]                      
Temporary equity, stock issued during period, value, new issues         $ 100,000,000