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Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2018
Summary of Significant Accounting Policies [Abstract]  
Schedule of potentially dilutive adjustments to the weighted average number of common shares excluded from the calculation
  

Three Months Ended 
June 30,

  

Six Months Ended 
June 30,

 
  2018  2017  2018  2017 
Common stock purchase warrants  2,575,988   2,603,575   2,575,988   2,603,575 
Stock options  761,855   520,055   761,855   520,055 
Total  3,337,843   3,123,630   3,337,843   3,123,630