v3.19.2
Leases - Summary of Lease Cost and Information Related to the Right-of-Use Assets and Operating Lease Liabilities (Detail)
3 Months Ended 6 Months Ended
Jun. 30, 2019
USD ($)
Jun. 30, 2019
USD ($)
Lease cost    
Average rent expense $ 62,085 $ 124,140
Cash paid for amounts included in the measurement of operating lease liabilities    
Operating cash flows from operating leases $ 62,154 $ 124,308
The weighted average remaining lease term and discount rate    
Weighted-average remaining lease term - operating leases 2 years 3 months 14 days 2 years 3 months 14 days
Weighted-average discount rate - operating leases 13.22% 13.22%