Leases - Additional Information (Detail)	Jun. 30, 2020 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease borrowing rate (in percentage)	6.50%
Operating lease payments related to option to extend lease term	$ 54,000
Operating lease not yet commenced, liability	$ 0
Minimum
Lessee, Lease, Description [Line Items]
Operating lease, remaining lease term (in years)	1 year
Maximum
Lessee, Lease, Description [Line Items]
Operating lease, remaining lease term (in years)	3 years