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Warrant Liability (Tables)
6 Months Ended
Jun. 30, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Warrants Outstanding and Exercisable

The following table outlines the number of warrants outstanding and exercisable as of June 30, 2018 and December 31, 2017, respectively:

 

    June 30, 2018     December 31, 2017              
    Number of     Number of              
Warrants   Warrants     Warrants     Exercise     Expiration  
Outstanding   Outstanding     Outstanding     Price     Date  
Series A          -       525,621     $ 7.73       05/27/2018  

Schedule of Changes in the Fair Value of Derivative Warrant Liabilities

Changes in the fair value of the derivative warrant liabilities and key assumptions at the issue date and each reporting date are as follows:

 

    Series A        
    Warrants     Total  
Balance at January 1, 2017   $ 3,719     $ 3,719  
Adjustment resulting from the change in the fair value for the reporting period     (3,719 )     (3,719 )
                 
Balance at December 31, 2017   $ -     $ -