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Common Stock and Warrant Issuances (Tables)
9 Months Ended
Sep. 30, 2018
Equity [Abstract]  
Summary of Warrant Outstanding

The following table summarizes information about shares issuable under warrants outstanding at September 30, 2018:

 

    Warrant
shares
outstanding
    Weighted
average
exercise price
    Weighted
average
remaining life
    Intrinsic value  
Outstanding at January 1, 2018     13,720,742     $ 1.49                  
Issued     -                          
Additional warrants issued for trigger of anti-dilution protection     1,000,000     $ 0.40                  
Exercised     (5,563,630 )   $ 0.91                  
Expired or cancelled     (2,929,137 )   $ 0.60                  
Outstanding at September 30, 2018     6,227,975     $ 0.94       1.94     $     -  
                                 
Exercisable at September 30, 2018     6,227,975     $ 0.94       1.94     $ -