Commitments and Contingencies - Summary of Supplemental Balance Sheet Information Related to Operating Leases (Detail) - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Assets And Liabilities Lessee [Abstract]
ROU assets	$ 185,370	$ 260,260
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OperatingLeaseRightOfUseAsset	us-gaap:OperatingLeaseRightOfUseAsset
Current lease liabilities	$ 98,846	$ 94,235
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]		us-gaap:OperatingLeaseLiability
Long-term lease liabilities	$ 97,368	$ 171,648
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OperatingLeaseLiability	us-gaap:OperatingLeaseLiability
Total lease liabilities	$ 196,214	$ 265,883
Weighted-average remaining lease term (in years)	1 year 9 months 29 days	2 years 7 months 6 days
Weighted-average discount rate	6.55%	6.55%