Property Equipment and Intangibles, Net - Schedule of Property Equipment and Intangibles, Net (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Property Plant And Equipment [Line Items]
Beginning Balance	$ 150	$ 2
Less depreciation and amortization	(60)	(32)
Ending Balance	$ 90	150
Acquired in Adgero Merger [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross		175
Laboratory Equipment Purchased [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross		8
Disposal of Furniture [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross		$ (3)