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Related Party Transactions (Details) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Related Party Transactions (Textual)      
Revenues from transactions with related party $ 176,866 $ 209,633  
Marketing-related payments 0 $ 10,383  
Accounts receivable, related parties $ 35,543   $ 16,283