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Summary of Significant Accounting Policies (Details Narrative)
6 Months Ended
Jun. 30, 2018
USD ($)
Number
Jun. 30, 2017
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Accounting Policies [Abstract]        
Cash and cash equivalents $ 3,043,874 $ 2,327,865 $ 3,260,808 $ 3,752,375
Allowance for doubtful accounts 2,884,899   $ 2,981,705 $ 2,625,765
Recognized revenue 736,000 1,379,000    
Stock based compensation expenses $ 312,000 $ 247,000    
Number of reportable segments | Number 2