Lease - Components of Lease Cost and Rent Expense (Detail) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Operating lease cost:
Operating lease cost	$ 125	$ 118
Short-term rent expense	44	51
Variable lease cost	1	1
Total operating lease cost	170	170
Finance lease cost:
Amortization right-of-use assets	9	9
Interest on finance lease liabilities	1	2
Total finance lease cost	$ 10	$ 11