Fair Value Measurements (Tables)

12 Months Ended

Oct. 31, 2024

Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]

Schedule of Fair Value Hierarchy for Financial Assets Measured at Fair Value

The following table presents the Company's fair value hierarchy for financial assets measured at fair value as of October 31, 2024:

			October 31, 2024
Description	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Observable Inputs (Level 3)
Assets
Cash equivalents
Money market funds		121		121		—		—
U.S. government treasuries		94,236		94,236		—		—
Government agency securities		9,955		—		9,955		—
Short term marketable securities:
U.S. government treasuries		51,574		51,574		—		—
Government agency securities		13,754		—		13,754		—
Long term marketable securities:
U.S. government treasuries		49,627		49,627		—		—
Government agency securities		9,900		—		9,900		—
Total financial assets	$	229,167	$	195,558	$	33,609	$	—

Convertible Debentures Embedded Derivative Liabilities

Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]

Assumptions Used to Determine Fair Value of Liabilities

The assumptions ranges that the Company used to determine the fair value of the convertible debentures embedded derivative liabilities for the 2022 Notes and BDC Notes that were outstanding as of each respective period (refer to Note 9, Notes Payable) were as follows:

	Immediately prior to settlement on
	October 31, 2023
Probability of qualified financing*		100	%
Volatility**	n/a
Class C Preferred Share price (CAD)**	n/a
Liquidity price at conversion of listing event***	$	8.84
Fair value of common share at conversion of listing    event***	$	21.70
Discount rate****		18.4	%
Expected time to respective scenarios	0.0 years

Summary of Change in Estimated Fair Value of Liabilities

The following table provides a summary of the change in the estimated fair value of the Company’s convertible debentures embedded derivative liabilities for the year ended October 31, 2023:

	Total
Balance as of October 31, 2022		3,791
Change in fair value of convertible debenture embedded    derivative liabilities		21,421
Foreign exchange rate translation adjustment		5
Settlement of derivative liability in accordance with    repayment and conversion of convertible debentures    upon the consummation of the Reverse Recapitalization		(25,217	)
Balance as of October 31, 2023	$	—

May 2023 Notes

Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]

Assumptions Used to Determine Fair Value of Liabilities

The assumptions that the Company used to determine the fair value of the May 2023 Notes as of the issuance date are as follows:

	As of Issuance Date
Probability of qualified financing*		60	%
Volatility		85	%
Class C Preferred Share Price (CAD)	$	2.074
Liquidity price at conversion of listing event**	$	8.42
Fair value of common share at conversion of listing event**	$	10.25
Discount rate***		40.8	%
Expected time to respective scenarios	0.3 years

Summary of Change in Estimated Fair Value of Liabilities

The following table provides a summary of the change in the estimated fair value of the Company’s 2023 Notes for the year ended October 31, 2023. Upon the close of the Reverse Recapitalization the 2023 Notes were exchanged for common shares of the Company, resulting in an extinguishment of the 2023 Notes. See Note 3, Reverse Recapitalization and Note 10, Convertible Debentures.

	Total
Balance as of October 31, 2022	$	—
Issuance of May 2023 Notes		37,043
Change in fair value of May 2023 Notes		56,212
Settlement of 2023 Notes upon the consummation of the Reverse    Recapitalization		(93,255	)
Balance as of October 31, 2023	$	—

Preferred Share Warrant Liabilities

Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]

Summary of Change in Estimated Fair Value of Liabilities

The following table provides a summary of the change in the estimated fair value of the Company’s warrant liabilities for the year ended October 31, 2023:

	Total
Balance as of October 31, 2022		11,456
Warrant liability recognized upon issuance of May 2023 Notes		1,420
Change in fair value of warrant liabilities		(10,849	)
Foreign exchange rate translation adjustment		(44	)
Reclassification of 2023 Warrants to equity upon consummation    of the Reverse Recapitalization		(1,983	)
Balance as of October 31, 2023	$	—