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.

No definition available.

+ Details

Name:	us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems
Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

- Definition

The number of positions eliminated during the period as a result of restructuring activities.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of positions eliminated during the period as a percentage of total positions eliminated during the period in connection with the restructuring plan(s).

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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Namespace Prefix:
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- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_ResearchAndDevelopmentExpenseMember
Namespace Prefix:
Data Type:	na
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- Details

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One-Time Employee Termination Benefits - Additional Information (Detail)	3 Months Ended		6 Months Ended	9 Months Ended		12 Months Ended
	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($) Employee	Dec. 31, 2022 Employee	Mar. 31, 2024 USD ($) Employee	Mar. 31, 2023 USD ($) Employee	Jun. 30, 2023 Employee
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Number of workforce reduction				6
Number of workforce reduction percentage				51.00%
Termination Benefits
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Number of workforce reduction			28			26
Research and Development Expense
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Number of workforce reduction		13		3	31
Severance costs \| $	$ 0	$ 1,000,000		$ 169,000	$ 1,800,000
General and Administrative Expense
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Number of workforce reduction		1		3	11
Severance costs \| $	$ 0	$ 200,000		$ 168,000	$ 600,000