Lease - Components of Lease Cost and Rent Expense (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Operating lease cost:
Operating lease cost	$ 125	$ 142	$ 250	$ 260
Short-term rent expense	(5)	(22)	39	29
Variable lease cost	0	0	1	1
Total operating lease cost	120	120	290	290
Finance lease cost:
Amortization right-of-use assets	9	9	18	18
Interest on finance lease liabilities	2	2	3	4
Total finance lease cost	$ 11	$ 11	$ 21	$ 22