Quarterly report pursuant to Section 13 or 15(d)

14. Warrants (Tables)

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14. Warrants (Tables)
9 Months Ended
Sep. 30, 2019
Warrants and Rights Note Disclosure [Abstract]  
Schedule of warrant activity

The following table summarizes the changes in the Company’s outstanding warrants during the three months ended September 30, 2019:

 

    Warrants Outstanding Number of Shares     Exercise Price per Share     Weighted Average Remaining Contractual Life     Weighted Average Exercise Price per Share    

Aggregate

Intrinsic

Value

 
Balance at December 31, 2018     5,899,389     $ 3.30 – 6.00       3.74 years     $ 3.35     $  
Warrants Granted     5.491,788     $ 1.14 – 2.55       4.89 years     $ 3.00     $  
Warrants Exercised     945,894     $ 0.76           $

0.76

    $  
Warrants Expired     100,002     $ 6.00           $ 6.00     $  
Balance at September 30, 2019     10,345,281     $ 1.14 – 5.30       3.86 years     $ 2.80     $  
                                    $    
Exercisable December 31, 2018     5,899,389     $ 3.30 – 6.00       3.74 years     $ 3.53     $  
Exercisable September 30, 2019     8,545,281     $ 2.12 – 5.30       3.55 years     $ 3.15     $