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Leases - Maturities of lease liability (Details)
Mar. 31, 2020
USD ($)
Maturities of lease liability due  
April 1, 2020 - December 31, 2020 $ 791,420
2021 1,077,420
2022 1,104,356
2023 940,842
Thereafter
Total 3,914,038
Present value adjustment (483,390)
Present value of lease payments $ 3,430,648