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Leases - Maturities of Lease Liabilities Under Noncancelable Operating Leases (Details)
Mar. 31, 2019
USD ($)
Leases [Abstract]  
2019 $ 1,017,527
2020 1,521,149
2021 1,724,052
2022 1,727,538
2023 1,773,769
2024 and beyond 4,287,729
Total lease payments 12,051,764
Less: Imputed interest (2,387,800)
Present value of lease liabilities $ 9,663,964