Lease - Summary of Supplemental Balance Sheet Information Relating to Leases (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019
Operating Leases:
Operating Lease ROU Assets	$ 970	$ 0
Finance Leases:
Finance Lease ROU Assets	$ 203
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:PropertyPlantAndEquipmentNet
Accumulated amortization	$ 43
Current finance lease liabilities	$ 34
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:LongTermDebtCurrent
Long-term finance lease liabilities	$ 90
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:LongTermDebtNoncurrent