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

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Number of options vested.

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Share-Based Compensation - Additional Information (Detail) $ / shares in Units, $ in Millions	1 Months Ended			3 Months Ended
	Sep. 30, 2024 shares	Sep. 30, 2023 shares	Sep. 30, 2022 shares	Mar. 31, 2024 USD ($) Plan Installments $ / shares shares	Mar. 31, 2023 $ / shares	Dec. 31, 2023 $ / shares shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Increase in shares of common stock for issuance				53,869,139		52,999,680
Share based compensation options granted				35,604
Common stock, par value \| $ / shares				$ 0.001		$ 0.001
2017 Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of equity compensation plans \| Plan				2
Number of shares authorized for issuance				15,345,127
Common stock reserved for issuance				2,749,693
Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation expense \| $				$ 3.6
Options vesting period				1 year 4 months 13 days
Weighted average grant-date fair value of awards granted \| $ / shares				$ 1.12	$ 1.29
Restricted Stock Units (RSUs) [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share based compensation options granted				3,123,496
Unrecognized compensation expense \| $				$ 13.7
Options vesting period				3 years 2 months 19 days
Vested and released				869,459
Weighted average grant-date fair value of awards granted \| $ / shares				$ 1.57
Right to receive, number of share				1
Equal monthly installments \| Installments				4
Performance-Based Awards [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted shares in addition to stock option			140,000
Vested and released		70,001
Performance-Based Awards [Member] \| Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Compensation expense recognized \| $				$ 0.1
Performance-Based Awards [Member] \| Subsequent Event [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vested and released	69,999