Quarterly report pursuant to Section 13 or 15(d)

STOCK BASED COMPENSATION (Tables)

v3.10.0.1
STOCK BASED COMPENSATION (Tables)
6 Months Ended
Jun. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of automatic additions to the 2010 Plan

The following table presents the automatic additions to the 2010 Plan since inception pursuant to the “evergreen” terms of the 2010 Plan: 

 

January 1,     Number of
shares
 
2012       2,502  
2013       2,871  
2014       4,128  
2015       5,463  
2016       18,368  
2017       12,623  
2018       106,076  
Total additional shares       152,031  
Schedule of stock options

Options issued and outstanding as of June 30, 2018 under the 2010 Plan and their activities during the six months then ended are as follows:

 

    Number of
Underlying
Shares
    Weighted-
Average
Exercise Price
Per Share
    Weighted-
Average
Contractual
Life Remaining
in Years
    Aggregate
Intrinsic Value
 
Outstanding as of January 1, 2018     172,510     $ 49.27             $    
Granted     611,668       2.39                  
Forfeited     (338 )     5.64                  
Expired                                
Outstanding as of June 30, 2018     783,840       12.70       9.67     $    
Exercisable as of June 30, 2018     82,536       93.84       8.19     $    
Vested and expected to vest     783,840       12.70       9.67     $    
Schedule of stock options valuation assumptions

The fair value of stock options granted for the six months ended June 30, 2018 and 2017 was calculated using the Black-Scholes option-pricing model applying the following assumptions: 

 

    Period ended June 30,  
    2018     2017  
             
Risk free interest rate     2.47% - 2.71%       1.86% - 2.04%  
Expected term     5.24- 5.57 years       5.32- 6.36 years  
                 
Dividend yield     - %        - %   
Expected volatility     108.81% - 126.43%       112.86% - 114.19%
Schedule of fair value of liability options granted

The fair value of liability options granted for the six months ended June 30, 2018 was calculated using the Black-Scholes option-pricing model applying the following assumptions:

 

    Six months ended June 30,  
    2018  
       
Risk free interest rate      2.71%  
Expected term     5.0 years  
         
Dividend yield     - %   
Expected volatility     125.0%