Quarterly report pursuant to Section 13 or 15(d)

14. Warrants (Tables)

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14. Warrants (Tables)
6 Months Ended
Jun. 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 June 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     3,691,788     $ 2.12 – 3.00       4.89 years     $ 3.00     $  
Warrants Exercised                              
Warrants Expired     100,002     $ 6.00           $ 6.00     $  
Balance at June 30, 2019     9,491,175     $ 2.12 – 6.00       3.82 years     $ 3.05     $  
                                         
Exercisable December 31, 2018     5,899,389     $ 3.30 – 6.00       3.74 years     $ 3.53     $  
Exercisable June 30, 2019     6,745,281     $ 2.12 – 6.00       3.49 years     $ 3.30     $