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Leases - Summary of Components of Lease Cost for Operating Leases (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Leases [Abstract]        
Operating lease cost $ 107,969 $ 182,287 $ 383,672 $ 570,163
Variable lease cost 26,636 36,554 73,120 89,716
Operating lease expense $ 134,605 $ 218,841 $ 456,792 $ 659,879