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Common Stock, Preferred Stock and Warrants (Tables)
12 Months Ended
Dec. 31, 2019
Equity [Abstract]  
Summary of Warrant Outstanding

The following table summarizes information about shares issuable under warrants outstanding during the year ended December 31, 2019:

 

    Warrant
shares
outstanding
    Weighted
average
exercise price
    Weighted average remaining life     Intrinsic value  
Outstanding at January 1, 2019     5,477,975     $ 1.01                  
Issued     -       -                  
Exercised     (4,000,000 )   $ 1.12                  
Expired or cancelled     (1,477,975 )   $ 0.72                  
Outstanding and exercisable at December 31, 2019     -     $ -       -     $ -