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Summary of Significant Accounting Policies - Additional Information (Detail)	9 Months Ended
	Sep. 30, 2023
Anelixis Therapeutics, LLC and Otic Pharma, Ltd.
Summary Of Significant Accounting Policies [Line Items]
Ownership interest percentage	100.00%
Otic Pharma, Inc. [Member]
Summary Of Significant Accounting Policies [Line Items]
Ownership interest percentage	100.00%

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- Definition

Summary of significant accounting policies.

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- Definition

Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.

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