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Summary of Significant Accounting Policies (Details 1) - Warrant liability [Member] - USD ($)
 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Schedule of warrant liability [Abstract]    
Balance as of beginning of period $ 1,381,465 $ 345,960
Value assigned to warrants in connection with convertible promissory and short-term notes 579,873 440,919
Change in fair value of warrant liability 16,025 (19,253)
Balance as of end of period $ 1,977,363 $ 767,626