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Leases (Schedule of Future Minimum Lease Commitments) (Details) - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Operating Leases    
Remainder of 2019 $ 135,639  
2020 188,196  
2021 193,627  
2022 197,427  
2023 197,807  
2024 117,383  
Total 1,030,079  
Less: Imputed interest (111,993)  
Present value of lease liabilities $ 918,086