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Share Capital (Tables)
 3 Months Ended
Mar. 31, 2018
Equity [Abstract]  
Summary of Stock Option Activity

A summary of the Company’s option activity related to options to employees and directors, and related information is as follows:

 

    For the three months ended March 31, 2018  
    Number of stock options     Weighted average exercise price     Aggregate intrinsic value  
                   
Outstanding at beginning of period     6,224,479     $ 0.78     $ 1,859  
Granted     -       -       -  
Exercised     -       -       -  
Cancelled     -       -       -  
Outstanding at end of period     6,224,479     $ 0.78     $ 1,142  
Vested and expected-to-vest at end of period     2,477,252     $ 0.13     $ 1,031  

  

    For the year ended December 31, 2017  
    Number of stock options     Weighted average exercise price     Aggregate intrinsic value  
                   
Outstanding at beginning of period     2,614,916     $ 0.13     $ 3,739  
Granted     4,081,357       1.1       -  
Exercised     (471,794 )     -       -  
Cancelled     -       -       -  
Outstanding at end of period     6,224,479     $ 0.78     $ 1,859  
Vested and expected-to-vest at end of period     2,143,122     $ 0.13     $ 1,375  
Schedule of Stock Options Outstanding

The stock options outstanding as of March 31, 2018 and December 31, 2017, separated by exercise prices, are as follows:

 

Exercise price

 

$

     Stock options outstanding as of March 31, 2018     Stock options outstanding as of December 31, 2017     Weighted average remaining contractual life – years as of March 31, 2018     Weighted average remaining contractual life – years as of December 31, 2017     Stock options exercisable as of March 31, 2018     Stock options exercisable as of December 31, 2017  
                                       
  0.28       1,167,693       1,167,693       7.75       8.0       1,167,693       1,167,693  
  1.05       2,003,187       2,003,187       9.50       9.75       334,130       -  
  1.29       1,087,627       1,087,627       9.50       9.75       -       -  
  1.02       990,543       990,543       9.75       10       -       -  
  (*)       975,429       975,429       8.50       8.75       975,429       975,429  
          6,224,479       6,224,479       9.05       9.3       2,477,252       2,143,122  

 

 

(*) Less than 1
Schedule of Stock Options Valuation Assumptions

The fair value of the stock options is estimated at the date of grant using Black-Scholes options pricing model with the following weighted-average assumptions:

 

    Three months ended
March 31, 2018		     Year ended
December 31, 2017		  
             
Expected volatility     109 %     122.5 %
Risk-free interest     2.39 %     1.64 %
Dividend yield     0 %     0 %
Expected life of up to (years)     2.75       6.25