Lease - Components of Lease Cost and Rent Expense (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Operating lease cost:
Operating lease cost	$ 91	$ 125	$ 181	$ 250
Short-term rent expense	34	(5)	61	39
Variable lease cost	1	0	2	1
Total operating lease cost	126	120	244	290
Finance lease cost:
Amortization right-of-use assets	9	9	18	18
Interest on finance lease liabilities	1	2	2	3
Total finance lease cost	$ 10	$ 11	$ 20	$ 21