Lease - Summary of Supplemental Balance Sheet Information Relating to Leases (Detail) - USD ($) $ in Thousands	Mar. 31, 2021	Jun. 30, 2020
Operating Leases:
Operating Lease ROU Assets	$ 1,319	$ 970
Finance Leases:
Finance Lease ROU Assets	$ 203	$ 203
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:PropertyPlantAndEquipmentNet	us-gaap:PropertyPlantAndEquipmentNet
Accumulated amortization	$ 64	$ 43
Current finance lease liabilities	$ 36	$ 34
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Current maturities of long-term debt	Current maturities of long-term debt
Long-term finance lease liabilities	$ 62	$ 90
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Long-term debt	Long-term debt