Lease - Summary of Supplemental Cash Flow and Other Information Related to Leases (Detail) $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 31, 2020 USD ($)	Mar. 31, 2020 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 148	$ 437
Operating cash flows from finance leases	2	7
Financing cash flow from finance leases	8	24
Right-of-use assets obtained in exchange for new finance lease liabilities	0	0
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 15	$ 1,463
Weighted-average remaining lease term:
Operating leases	3 years 7 months 28 days	3 years 7 months 28 days
Finance leases	3 years 8 months 26 days	3 years 8 months 26 days
Weighted-average discount rate:
Operating leases	6.54%	6.54%
Finance leases	5.56%	5.56%