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Operating Leases - Summary of Supplemental other Information Related to Operating Leases Balance Sheet (Detail) - USD ($)
Sep. 30, 2020
Dec. 31, 2019
Leases [Abstract]    
Operating lease obligations (see Note 6 and 9) $ 1,888,604  
Operating lease right-of-use assets $ 939,855 $ 698,321
Weighted-average remaining lease term 4 years 6 months 29 days  
Weighted-average discount rate 7.40%