Number of equity based compensation plans.

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Number of legacy plans.

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Percentage of share vested.

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Remaining percentage of shares vested upon successful completion of Fda approval metric.

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Share based compensation arrangement by share based payment award number of shares reserved for grant.

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Share based compensation arrangement by share based payment award recurring grants vesting period.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Aggregate number of common shares reserved for future issuance.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for option under share-based payment arrangement.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Discount rate from fair value on purchase date that participants pay for shares.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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

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

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period Type:

Stock-Based Compensation - Additional Information (Detail) $ / shares in Units, $ in Thousands	1 Months Ended							8 Months Ended	12 Months Ended
	Jul. 31, 2025 USD ($)	Jan. 31, 2025 shares	Jun. 30, 2024 shares	Jan. 31, 2024 $ / shares shares	Jun. 30, 2023 $ / shares shares	Jan. 31, 2023 $ / shares shares	Jul. 31, 2021 shares	Dec. 31, 2025 USD ($) Plan $ / shares shares	Apr. 30, 2025 USD ($) $ / shares shares	Apr. 30, 2024 USD ($) $ / shares	Mar. 31, 2017 shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of equity-based compensation plans \| Plan								4
Number of legacy plans \| Plan								2
Common stock reserved for issuance upon exercise or settlement of stock options or other awards								7,861,748
Weighted-average grant date fair value of stock options granted \| $ / shares								$ 8.49	$ 7.75	$ 7.57
Total intrinsic value of stock options exercised \| $								$ 1,800	$ 2,500	$ 100
Unrecognized stock-based compensation expense related to unvested awards \| $								$ 14,200
Unrecognized stock-based compensation expense related to outstanding and unvested awards expected to be recognized over a weighted-average period								2 years 8 months 12 days
Stock-based compensation expense \| $								$ 11,415	$ 12,291	$ 21,915
2017 Equity Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of shares authorized											1,000,000
Shares, available for grant								1,027,093
Common stock reserved for issuance upon exercise or settlement of stock options or other awards								8,372,227
2017 Equity Incentive Plan [Member] \| Employees [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares, Granted				81,000
2021 Equity Inducement Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares reserved for grants							350,000
Amended and Restated 2021 Equity Inducement Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares, available for grant								61,245
Option to purchase additional shares of common stock		500,000	600,000		500,000
Employee Stock Option
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock options granted, vesting period								1 year
Grants vest percentage								25.00%
Recurring grants vesting period								4 years
Scheme termination period								10 years
2017 Employee Stock Purchase Plan (ESPP) [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares, available for grant								1,549,616
Option to purchase additional shares of common stock								1,783,849
Common stock reserved for issuance upon exercise or settlement of stock options or other awards											100,000
Percentage of discount for option to purchase common stock								15.00%
Performance Stock Units [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares outstanding								0	238,250
Performance Stock Units [Member] \| 2017 Equity Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares, Granted				306,667	306,667	360,000
Shares, Grant date fair value \| $ / shares				$ 12.71	$ 9.99	$ 6.82
Percentage of share vested	100.00%		25.00%
Remaining percentage of shares vested upon successful completion of Fda approval metric	75.00%
Stock-based compensation expense \| $	$ 1,200
Performance Stock Units [Member] \| 2017 Equity Incentive Plan [Member] \| Employees [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares, Grant date fair value \| $ / shares				$ 12.85
Stock-based compensation expense \| $	$ 800
Performance Stock Units [Member] \| 2017 Equity Incentive Plan [Member] \| January 2023 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares outstanding								0
Performance Stock Units [Member] \| 2017 Equity Incentive Plan [Member] \| June 2023 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares outstanding								0
Performance Stock Units [Member] \| 2017 Equity Incentive Plan [Member] \| January 2024 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares outstanding								0
Restricted Stock Units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares, Granted								117,920
Shares, Grant date fair value \| $ / shares								$ 12.53
Number of shares forfeited								105,646
Shares outstanding								2,022,732	2,610,822
Restricted Stock Units \| 2017 Equity Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock options granted, vesting period								4 years
Unrecognized stock-based compensation expense related to outstanding and unvested awards expected to be recognized over a weighted-average period								2 years 10 months 24 days
Unrecognized compensation expense \| $								$ 20,000