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Net Loss Per Common Share (Tables)
6 Months Ended
Jun. 30, 2018
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
   

June 30,

2018

   

June 30,

2017

 
             
Warrants     2,000,000       2,060,000  
Options     2,227,000       2,147,000  
      4,227,000       4,207,000