Leases - Additional Information (Details)			1 Months Ended			12 Months Ended
	Jan. 01, 2024 USD ($) ft²	Dec. 29, 2022 ft² $ / ft²	Apr. 30, 2023	Oct. 31, 2022 USD ($)	Nov. 30, 2021 USD ($) ft²	Oct. 31, 2023 USD ($)	Oct. 31, 2024 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease right of use assets							$ 1,741,000
Operating lease liabilities						$ 0	1,850,000
Additional lease commitments to be paid							$ 3,238,000
Office Space
Lessee, Lease, Description [Line Items]
Rentable square feet | ft²	6,450
Aggregate amount of base rental payments	$ 500,000
Lease expiration date	Dec. 30, 2026
Operating lease right of use assets	$ 400,000
Operating lease, option to extend	false
Office and Lab Space
Lessee, Lease, Description [Line Items]
Rentable square feet | ft²					9,360
Operating lease commencement period					2021-11
Lease expiration date					Oct. 31, 2022
Operating lease initial term					12 months
Operating lease renewal term				6 months	12 months
Operating lease right of use assets					$ 0
Operating lease liabilities					$ 0
Lease expiration month and year			2023-09	2023-04
Operating lease, option to extend				true		true
Operating lease extended term				2023-09
Additional lease commitments to be paid				$ 200,000
New Laboratory and Office Space
Lessee, Lease, Description [Line Items]
Rentable square feet | ft²		10,620
Operating lease commencement period		2023-11
Operating lease initial term		10 years
Initial annual base rent | $ / ft²		36.50
Percentage of increase in annual base rent		2.00%