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Leases - Summary of Remaining Maturities of Operating Leases, Excluding Short-term Leases (Details)
Jun. 30, 2019
USD ($)
Leases [Abstract]  
Six months ended December 31, 2019 $ 402,451
2020 809,597
2021 327,421
2022 281,232
2023 70,847
Total 1,891,548
Less present value discount (231,899)
Operating lease liabilities, net $ 1,659,649