Lease - Summary of Supplemental Balance Sheet Information to Leases (Detail) - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019
Operating Leases:
Operating Lease ROU Assets	$ 1,317	$ 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	$ 22
Current finance lease liabilities	$ 33
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:LongTermDebtCurrent
Long-term finance lease liabilities	$ 115
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:LongTermDebtNoncurrent