Commitments and Contingencies - Summary of Supplemental Balance Sheet Information Related to Operating Leases (Detail) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Assets And Liabilities Lessee [Abstract]
ROU assets	$ 59,969	$ 160,667
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	ROU assets	ROU assets
Current lease liabilities	$ 68,002	$ 103,646
Long-term lease liabilities		68,002
Total lease liabilities	$ 68,002	$ 171,648
Weighted-average remaining lease term (in years)	7 months 6 days	1 year 7 months 6 days
Weighted-average discount rate	6.55%	6.55%