Commitments and Contingencies - Additional Information (Detail) - USD ($)	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Commitments and Contingencies (Textual)
Remaining commitments related to drug manufacturing, clinical study management and safety	$ 1,852,000
Deposits related to study initiation	205,000
Rent expense	$ 14,000	$ 39,000
Head Office [Member]
Commitments and Contingencies (Textual)
Lease rent for office space term	1 year
Lease rent for office space	$ 2,400
Administrative Offices [Member]
Commitments and Contingencies (Textual)
Lease rent for office space	1,900
CAD [Member] | Administrative Offices [Member]
Commitments and Contingencies (Textual)
Lease rent for office space	$ 2,500