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Common Stock and Warrants (Tables)
6 Months Ended
Jun. 30, 2020
Equity [Abstract]  
Summary of warrants outstanding

The following table summarizes information about warrants outstanding at June 30, 2020 and December 31, 2019:

 

    Shares of Common Stock Issuable from Warrants Outstanding as of   Weighted    
    June 30,   December 31,   Average    
Description   2020   2019   Exercise Price   Expiration
Series D     -       810,000     $ 1.10       June 5, 2020  
Series E     584,416       584,416     $ 1.54       September 8, 2021  
Series F     7,246       7,246     $ 3.45       February 23, 2022 & March 9, 2022    
Series G     460,250       460,250     $ 2.68       July 21, 2022  
Series H     910,000       910,000     $ 2.75       October 16, 2022  
Series I     10,335,000       10,335,000     $ 2.00       November 26, 2025  
Total     12,296,912       13,106,912