Lease - Components of Lease Cost and Rent Expense (Detail) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Operating lease cost:
Operating lease cost	$ 118	$ 147
Short-term rent expense	42	5
Variable lease cost	1	7
Total operating lease cost	161	159
Finance lease cost:
Amortization right-of-use assets	9	9
Interest on finance lease liabilities	2	3
Total finance lease cost	$ 11	$ 12