Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Reconciliation of future undiscounted cash flows to the operating liabilities (Details)

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Commitments and Contingencies - Reconciliation of future undiscounted cash flows to the operating liabilities (Details) - USD ($)
Jun. 30, 2019
Jan. 01, 2019
Dec. 31, 2018
Aug. 08, 2016
Commitments and Contingencies        
2019 (excluding the six months ended June 30, 2019) $ 148,458      
2020 286,417      
2021 237,377      
2022 78,648      
2023 78,648      
2024 and thereafter 52,430      
Total future lease payments 881,978     $ 154,000
Less: imputed interest (68,479)      
Present value of future operating lease payments 813,499      
Less: current portion of operating lease liabilities (199,690) $ 0 $ 0  
Operating lease liabilities, net of current portion 613,809 0 0  
Right of use assets - operating leases, net $ 802,223 $ 0 $ 0