Lease - Components of Lease Cost and Rent Expense (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Operating lease cost:
Operating lease cost	$ 112	$ 127	$ 362	$ 387
Short-term rent expense	17	8	56	37
Variable lease cost	0	1	1	2
Total operating lease cost	129	136	419	426
Finance lease cost:
Amortization right-of-use assets	9	9	27	27
Interest on finance lease liabilities	1	2	4	6
Total finance lease cost	$ 10	$ 11	$ 31	$ 33