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Derivative Warrant Liabilities (Tables)
9 Months Ended
Sep. 30, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Outstanding Warrants Liabilities

The remaining outstanding warrants and terms as of September 30, 2018 and December 31, 2017 after the split is as follows: (*)

 

Issuance date   Outstanding as of December 31, 2017     Outstanding as of September 30, 2018     Exercise Price     Exercisable as of September 30, 2018     Exercisable Through
                             
Series A (2013)     3,895       3,895     $ 2,885       3,895     October 2018
Series A (2013)     183       183     $ 2,725       183     April 2023
Series A (2015)     683       683     $ 1,363       683     April 2020
Series A (2016) (a)     625       -     $ -       -     March 2018
Series B (2016) (a)     2,770       2,770     $ 40       2,770     March 2022

 

 

  (*) December 31, 2017 warrants data represents the number of shares adjusted to retroactively reflect the 1:15 Reverse Split effected on September 4, 2018
  a) These warrants contain a full ratchet anti-dilution price protection so that, in most situations upon the issuance of any common stock or securities convertible into common stock at a price below the then-existing exercise price of the outstanding warrants, the warrant exercise price will be reset to the lower common stock sales price. As such anti-dilution price protection does not meet the specific conditions for equity classification, the Company is required to classify the fair value of these warrants as a liability, with changes in fair value to be recorded as income (loss) due to change in fair value of warrant liability. The estimated fair value of our warrant liability at September 30, 2018 and December 31, 2017, was approximately $5 and $28, respectively.

Schedule of Valuation of Derivative Warrant Liabilities

The following table summarizes the observable inputs used in the valuation of the derivative warrant liabilities as of September 30, 2018 and December 31, 2017:

 

    Series A
(2011)
    Series A (2013)     Series A (2013)     Series A (2015)     Series A
(2016)
    Series B
(2016)
    Total  
Balances at December 31, 2017   $ -     $ -     $ -     $ -     $ (* )   $ 28     $ 28  
Exercised     -       -       -       -       -       -       -  
expiration     -       -       -       -       (* )     -       (* )
Changes in fair value     -       -       -       -       -       (23 )     (23 )
Balances at September 30, 2018   $ -     $ -     $ -     $ -     $ -     $ 5     $ 5  

 

  (*) Less than 1

Schedule of Fair Value Assumption

The following table summarizes the observable inputs used in the valuation of the derivative warrant liabilities as of September 30, 2018 and December 31, 2017:

 

    As of September 30, 2018     As of December 31, 2017  
    Series A (2016)     Series B (2016)     Series A (2016)     Series B (2016)  
Share price         $ 7.52     $ 15.1     $ 15.1  
Exercise price         $ 40.07     $ 40.07     $ 40.07  
Expected volatility           84.9%       60%       119%  
Risk-free interest           2.39%       1.24%       1.89%  
Dividend yield                        
Expected life of up to (years)           3.50       0.25       4.25  

Schedule of Liabilities Measured on a Recurring Basis

Activity in such liabilities measured on a recurring basis is as follows:

 

    Derivative Warrant Liabilities  
As of December 31, 2017   $ 28  
Revaluation of warrants     (23)  
As of September 30, 2018   $ 5  

  

    Derivative Warrant Liabilities  
As of December 31, 2016   $ 313  
Revaluation of warrants     (285)  
Exercise warrants     (*)  
As of December 31, 2017   $ 28  

 

  (*) Less than 1