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Notes Payable - Additional Information (Details) - USD ($)
 12 Months Ended
Dec. 22, 2023
Oct. 31, 2025
Oct. 31, 2024
Dec. 18, 2024
Dec. 30, 2021
Debt Instrument [Line Items]          
Loss on extinguishment of debt   $ (0) $ (366,000)    
Note payable current   8,002,000 699,000    
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] Wall Street Journal [Member]        
Amended Loan Agreement          
Debt Instrument [Line Items]          
Warrant issued to purchase preferred shares 138,696        
Warrants, exercise price per share $ 7.21        
Percentage of aggregate principal amount of term loan advance to purchase number of common shares 2.00%        
Warrants exercisable period 7 years        
Hercules Capital | Loan and Security Agreement          
Debt Instrument [Line Items]          
Note payable current   8,000,000      
Hercules Capital | Amended Loan Agreement          
Debt Instrument [Line Items]          
Interest expense   2,400,000 2,200,000    
Amortization of debt discount   $ 600,000 600,000    
Term Loan | Amended Loan Agreement          
Debt Instrument [Line Items]          
Term loan annual interest rate 0.75%        
Percentage of prepayment premium of principal amount outstanding of the closing date 3.00%        
Percentage of prepayment premium of principal amount outstanding prior to twenty-four months 2.00%        
Percentage of prepayment premium of principal amount outstanding prior to maturity date 1.00%        
Loss on extinguishment of debt     $ 400,000    
Effective interest rate of outstanding debt   11.63% 11.63%    
Line of credit, maturity date Jan. 01, 2028        
End of term fee percentage 5.50%        
End of term charge $ 700,000 $ 700,000      
Debt instrument, interest rate 9.25%        
Payment-in-kind interest rate 1.15%        
Percentage of total commitment amount 2.00%        
Total commitment amount $ 50,000,000        
Term Loan | First Amendment to Amended and Restated Loan and Security Agreement [Member]          
Debt Instrument [Line Items]          
Term loan facility aggregate principal amount       $ 50,000,000  
Term Loan | Maximum | Amended Loan Agreement          
Debt Instrument [Line Items]          
Debt instrument, interest rate 9.75%        
2021 Loan and Security Agreement | Hercules Capital          
Debt Instrument [Line Items]          
Term loan facility aggregate principal amount         $ 20,000,000
Note payable current     $ 700,000    
Borrowed amount   22,500,000      
Debt discount and issuance costs   2,200,000      
Tranche 1 Advance | Term Loan | Amended Loan Agreement          
Debt Instrument [Line Items]          
Term loan facility aggregate principal amount $ 50,000,000        
Warrant issued to purchase preferred shares 62,413        
Proceeds from line of credit $ 22,500,000        
Tranche 1 Advance | Term Loan | Amended Loan Agreement | Hercules Warrants          
Debt Instrument [Line Items]          
Borrowed amount   22,500,000      
Advance on loan allocated to warrants   300,000      
Tranche 3 Advance | Term Loan | Amended Loan Agreement          
Debt Instrument [Line Items]          
Term loan facility aggregate principal amount $ 20,000,000        
Percentage of facility charge on amount borrowed 0.75%        
Tranche 3 Advance | Term Loan | First Amendment to Amended and Restated Loan and Security Agreement [Member]          
Debt Instrument [Line Items]          
Term loan facility aggregate principal amount       27,500,000  
Percentage of facility charge on amount borrowed 0.75%        
Applied to Refinance of Amount Outstanding | Term Loan | Prior Loan Agreement          
Debt Instrument [Line Items]          
Proceeds from line of credit $ 8,600,000        
Tranche 2 to Tranche 3 | Term Loan | First Amendment to Amended and Restated Loan and Security Agreement [Member]          
Debt Instrument [Line Items]          
Term loan facility aggregate principal amount       7,500,000  
Tranche 2 Advance Subject to Achievement of Specified Interim Milestone | Term Loan | Amended Loan Agreement          
Debt Instrument [Line Items]          
Term loan facility aggregate principal amount $ 7,500,000        
Period Within Loan Disbursements to be Made 60 days        
Line of credit, maturity date Mar. 31, 2025        
Tranche Three Advance Subject to Achievement of Specified Interim Milestone [Member] | Term Loan | First Amendment to Amended and Restated Loan and Security Agreement [Member]          
Debt Instrument [Line Items]          
Term loan facility aggregate principal amount       $ 7,500,000  
Advance Subject to Achievement of Specified Interim Milestone [Member] | Term Loan | First Amendment to Amended and Restated Loan and Security Agreement [Member]          
Debt Instrument [Line Items]          
Term loan facility aggregate principal amount   $ 27,500,000      
If Interim Milestone and Certain Clinical Milestones Achieved and No Default | Term Loan | Amended Loan Agreement          
Debt Instrument [Line Items]          
Loan amortization date Jul. 01, 2026        
If Interim Milestone Achieved and No Default | Term Loan | Amended Loan Agreement          
Debt Instrument [Line Items]          
Loan amortization date Jan. 01, 2026