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Warrants (Tables)
6 Months Ended 12 Months Ended
Jun. 30, 2019
Dec. 31, 2018
Warrants and Rights Note Disclosure [Abstract]    
Summary of Estimate the Fair Value of Warrants  

The following table summarizes the assumptions used to estimate the fair value of warrants granted during the years ended December 31, 2018 and 2017:

 

    2018     2017  
Expected dividend yield     0 %     0 %
Weighted-average expected volatility     231-632 %     200 %
Weighted-average risk-free interest rate     2.55-2.75 %     1.81-1.84 %
Expected life of warrants     5-8 years       5 years

Schedule of Outstanding and Exercisable Warrants

The Company’s outstanding and exercisable warrants as of June 30, 2019 are presented below:

 

  

Number

Outstanding

  

Weighted

Average

Exercise Price

  

Contractual Life

in Years

   Intrinsic Value 
Warrants Outstanding as of December 31, 2018   2,880,141   $0.08    3.74   $782,385 
Warrants granted   -   $-    -    - 
Warrants forfeited   -    -    -    - 
Warrants exercised   (16,666)  $0.01    -    - 
                     
Warrants Outstanding as of June 30, 2019   2,863,475   $0.08    3.08   $1,448,356 

The Company’s outstanding and exercisable warrants as of December 31, 2018 and 2017 are presented below:

 

    Number Outstanding     Weighted Average Exercise Price     Contractual Life in Years     Intrinsic Value  
Warrants Outstanding as of December 31, 2016     2,647,446     $ 0.24       4.24     $ 930,751  
Warrants granted     115,650     $ 0.18       5.0       -  
Warrants forfeited     -       -       -       -  
Warrants exercised     (25,000 )   $ 0.01       -       -  
                                 
Warrants Outstanding as of December 31, 2017     2,738,096     $ 0.24       3.28     $ 937,567  
Warrants granted     577,045     $ 0.02       7.11          
Warrants forfeited     (435,000 )     -       -       -  
Warrants exercised     -       -       -       -  
                                 
Warrants Outstanding as of December 31, 2018     2,880,141     $ 0.08       3.74     $ 782,385