Leases - Components of Lease Cost and Rent Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Operating lease cost:
Operating lease cost	$ 514	$ 593
Short-term rent expense	37	5
Variable lease cost	2	3
Total operating lease cost	553	601
Finance lease cost:
Amortization right-of-use assets	36	36
Interest on finance lease liabilities	7	9
Total finance lease cost	$ 43	$ 45