Balance Sheet Details - Accrued Liabilities (Detail) - USD ($) $ in Thousands		Mar. 31, 2024	Jun. 30, 2023
Accrued Liabilities [Line Items]
Accrued pre-clinical and clinical trial expenses		$ 1,118	$ 3,663
Accrued compensation and benefits	[1]	2,640	7,189
Accrued legal and professional services		644	1,423
Accrued reimbursement to KKC		892	0
Other		94	186
Total accrued liabilities		$ 5,388	$ 12,461

[1] (1) For the period ended March 31, 2024, one-time employee termination benefits were immaterial. Accrued compensation and benefits as of June 30, 2023 includes $1.0 million of one-time employee termination benefits, as more fully described in Note 5. One-time Employee Termination Benefits.