Lease - Summary of Supplemental Cash Flow and Other Information Related to Leases (Detail) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows of operating leases	$ 87	$ 85
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 37	$ 18
Weighted-average remaining lease term:
Operating leases	1 year 6 months 29 days	2 years 3 months 14 days
Weighted-average discount rate:
Operating leases	1.24%	0.99%