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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 |  |  |  |

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