Registration statement for securities of certain foreign private issuers

Share-Based Payment Transactions (Tables)

v3.19.3.a.u2
Share-Based Payment Transactions (Tables)
 12 Months Ended
Dec. 31, 2018
Share-based Payment Transactions [Abstract]  
Schedule of expenses
   

Year ended

December 31,

  
    2018     2017     2016  
    USD  
                   
Research and development expenses   $ 123     $ 139     $ 129  
General and administrative expenses     130       53       180  
                         
    $ 253     $ 192     $ 309
Summary of weighted average exercise prices and modification in option plans of employees, directors and consultants
  Shares subject to options outstanding  
    2018     2017     2016  
    Number     Weighted average exercise price     Number     Weighted average exercise price     Number     Weighted average exercise price  
          USD           USD           USD  
Outstanding at beginning of year     1,490,423       1.35       737,028       2.63       798,579       3.14  
Grants     -       -       970,000       0.75       180,000       1.15  
Forfeited/expired     (53,023 )     7.53       (216,605 )     4.26       (241,551 )     3.32  
                                                 
Outstanding at end of year     1,437,400       1.20       1,490,423       1.35       737,028       2.63  
                                                 
Exercisable at end of year     736,155       2.41       451,266       2.41       402,500       3.87  
Summary of estimated using the binomial option pricing model
  December 31,  
Description   2017     2016  
             
Risk-free interest rate     1.89%-2.31%       2.01%-2.02%  
Expected volatility     74.4%-77.64%       77.84%-78.22%  
Dividend yield     0       0  
Contractual life     10       10  
Early Exercise Multiple (Suboptimal Factor)     2.5       2.5  
Exercise price     0.72-0.98       1.12-1.39