Lease - Components of Lease Cost and Rent Expense (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Operating lease cost:
Operating lease cost	$ 85	$ 112	$ 266	$ 362
Short-term rent expense	52	17	113	56
Variable lease cost	0	0	2	1
Total operating lease cost	137	129	381	419
Finance lease cost:
Amortization right-of-use assets	11	9	29	27
Interest on finance lease liabilities	0	1	2	4
Total finance lease cost	$ 11	$ 10	$ 31	$ 31