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Lease (Details 2)
Mar. 31, 2019
USD ($)
Leases [Abstract]  
2019 (excluding the three months ended March 31, 2019) $ 228,117
2020 258,642
2021 41,240
Total future minimum lease payments, undiscounted 527,999
Less: Imputed interest (2,140)
Present value of future minimum lease payments $ 525,859