Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation (Tables)

v3.8.0.1
Stock Based Compensation (Tables)
3 Months Ended
Mar. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Stock-Based Compensation Expense

The Company recognized stock-based compensation expense (options, and restricted share grants) in its condensed consolidated statements of operations as follows ($ in thousands):

 

    Three Months Ended
March 31,
 
    2018     2017  
             
Research and Development   $ 573     $ 435  
General and Administrative     1,175       937  
Total   $ 1,748     $ 1,372  

Schedule of Equity Compensation Plan by Arrangements

    Reserved           Awards  
    for     Awards     Available  
    Issuance     Issued     for Grant  
2013 Equity Compensation Plan     17,890       12,932 *     4,958  
                         

 

* includes both stock grants and option grants

Schedule of Stock Option Activity

The following table summarizes the Company’ stock option activity and related information for the period from December 31, 2017 to March 31, 2018 (number of options in thousands):

 

          Weighted  
    Number of     average  
    Options     Exercise Price  
Outstanding at December 31, 2017     11,396     $ 1.40  
Granted     1,150       1.01  
Forfeited     417       2.80  
Cancelled     515       0.98  
Outstanding at March 31, 2018     11,614     $ 1.33  

Schedule of Share Based Payment Assumptions

The following weighted-average assumptions were used to calculate share based compensation for the three months ended March 31, 2018 and 2017:

 

    For the Three Months Ended  
    March,  
    2018     2017  
Volatility     105.85% - 107.95 %     75.03% - 82.26 %
Risk-free interest rate     2.29%-2.71 %     1.93%-2.22 %
Dividend yield     0.0 %     0.0 %
Expected life     6.0 years       6.0 years