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Common stock capital shares reserved for remaining future issuance.

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Estimated non-cash stock-based compensation expense.

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Estimated recognition of non-cash stock-based compensation expense upon vesting of milestone.

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Performance-based non-qualified stock options awards issued.

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Performance-based restricted share units awards issued.

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Share-based compensation arrangement by share-based payment award, options expired.

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Share-based compensation arrangement by share-based payment award, options forfeited.

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Share-based compensation arrangement by share-based payment award, options granted.

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Face amount per share of no-par value common stock.

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Number of shares authorized for issuance under share-based payment arrangement.

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Gross number of share options (or share units) granted during the period.

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Share-Based Compensation - Additional Information (Details) - USD ($)				3 Months Ended		9 Months Ended
	Jan. 01, 2026	Jun. 10, 2025	May 15, 2024	Jul. 31, 2026	Jul. 31, 2025	Jul. 31, 2026	Jul. 31, 2025	Jun. 16, 2026	Oct. 31, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Unrecognized compensation expense				$ 29,700,000		$ 29,700,000
Common stock shares reserved for future issuance				27,941,275		27,941,275			22,478,570
Common stock no par value				$ 0		$ 0			$ 0
Shares Granted						3,837,940
Unrecognized compensation expense weighted-average period of recognition						2 years 9 months 18 days
Weighted-average grant-date fair value per share of share options granted				$ 1.46	$ 2.53	$ 4.55	$ 4.59
Stock-based compensation expense				$ 7,810,000	$ 2,581,000	$ 14,758,000	$ 7,040,000
2025 Employee Stock Purchase Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock shares reserved for future issuance		2,000,000
Common stock capital shares reserved for remaining future issuance						2,000,000
Common stock no par value		$ 0
Shares issued						0
Percentage of common stock value on date of grant		85.00%
Evergreen Provision
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Aggregate number of common shares outstanding percentage	5.00%
June 2026 Performance-Based Equity Retention Awards
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting percentage						50.00%
Estimated non-cash stock-based compensation expense incurred				2,800,000		$ 2,800,000
Estimated recognition of non-cash stock-based compensation expense upon vesting of milestone				1,400,000		$ 1,400,000
Stock-based compensation expense				$ 0
Performance-based non-qualified stock options awards issued								1,696,625
Performance-based restricted share units awards issued								197,475
Restricted share units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock options vesting service period						4 years
2023 Plan \| Evergreen Provision
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock shares reserved for future issuance				11,858,023		11,858,023
Common stock capital shares reserved for remaining future issuance						1,741,100
Aggregate number of common shares outstanding percentage			5.00%
Issuance of common shares			2,500,000
Number of shares authorized increased				3,349,283		3,349,283
2023 Plan \| Employee Stock Option [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Percentage of common stock value on date of grant			100.00%
Inducement Grants \| Nonqualified Stock Options
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares Granted				0		0
Stock options granted				3,352,550		3,352,550
Shares vested				1,404,261		1,404,261
Shares forfeited				557,411		557,411
Stock option expired				0		0