Lease - Summary of Supplemental Cash Flow and Other Information Related to Leases (Detail) $ in Thousands	3 Months Ended	6 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 150	$ 289
Operating cash flows from finance leases	2	5
Financing cash flow from finance leases	8	16
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	$ 9	$ 1,448
Weighted-average remaining lease term:
Operating leases	3 years 10 months 28 days	3 years 10 months 28 days
Finance leases	3 years 9 months 7 days	3 years 9 months 7 days
Weighted-average discount rate:
Operating leases	6.54%	6.54%
Finance leases	5.53%	5.53%