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Basis of Presentation (Details) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2018
Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Allowance for estimated doubtful accounts $ 59,348 $ 61,223
Capitalized computer software, additions 66,705  
Asset impairment charges 0 0
Reserve for processing losses $ 172,252 $ 172,832