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Operating Leases - Summary of Supplemental other Information Related to Operating Leases Balance Sheet (Detail)
Sep. 30, 2019
USD ($)
Leases [Abstract]  
Operating lease obligations $ 1,804,786
Operating lease right-of-use assets $ 717,303
Weighted-average remaining lease term 5 years 6 months 29 days
Weighted-average discount rate 8.00%