v3.20.1
Leases - Summary of Lease Cost and Information Related to the Right-of-Use Assets and Operating Lease Liabilities (Detail) - USD ($)
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Lease cost    
Average rent expense $ 28,357 $ 62,005
Other information    
Cash paid for amounts included in the measurement of operating lease liabilities $ 29,145 $ 62,153
The weighted average remaining lease term and discount rate    
Weighted-average remaining lease term - operating leases 1 year 3 months 29 days 2 years 6 months 10 days
Weighted-average discount rate - operating leases 13.28% 13.22%