Annual report pursuant to Section 13 and 15(d)

Stock-based Compensation (Tables)

v3.19.1
Stock-based Compensation (Tables)
 12 Months Ended
Dec. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Recognized Stock-Based Compensation

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

 

    Year Ended December 31, 
(in thousands) 		 
    2018     2017  
Research and Development   $ 896     $ 1,016  
General and Administrative     2,937       2,581  
Total   $ 3,833     $ 3,597  

Schedule of Equity Compensation Plan by Arrangements

The following table contains information about the Company’s stock plan at December 31, 2018:

 

    Awards Reserved for Issuance     Awards Issued     Awards
Available for Grant 		 
2013 Equity Compensation Plan (in thousands)     17,890       15,515 *     2,375  

Schedule of Stock Option Activity

The following table summarizes the Company’ stock option activity and related information for the period from January 1, 2017 to December 31, 2018 (options in thousands):

 

    Number of Options     Weighted Average Exercise Price     Weighted Average Contractual Term in Years  
Outstanding at January 1, 2017     8,290     $ 0.85       7.3  
Granted     3,568     $ 2.77          
Exercised     -       -          
Forfeited     (436 )   $ 2.37          
Cancelled     (26 )     0.63          
Expired     -       -          
Outstanding at December 31, 2017     11,396     $ 1.40       7.8  
Granted     4,300     $ 0.76          
Exercised     -                  
Forfeited     (1,262 )   $ 2.08          
Cancelled     -                  
Expired     (977 )   $ 1.32          
Outstanding at December 31, 2018     13,457     $ 1.13       6.2  

Schedule of Outstanding Options Exercise Price

The following table summarizes outstanding options at December 31, 2018, by their exercise price:

 

Range of Exercise Prices   Number Outstanding
(in thousands) 		    Weighted Average Exercise Price Per Share  
$0.41 - $0.63     2,835     $ 0.43  
$0.68 - $1.12     6,521       0.88  
$1.24 - $1.95     2,585       1.31  
$2.74 - $3.32     1,516       3.23  
      13,457     $ 1.13  

Schedule of Share Based Payment Assumptions

The following weighted-average assumptions were used to calculate share-based compensation:

 

    For the Year Ended December 31,  
    2018     2017  
Volatility     105.85% - 111.31 %     67.8% - 109.63 %
Risk-free interest rate     2.29% - 3.08 %     1.89% - 2.37 %
Dividend yield     0.0 %     0.0 %
Expected life     6.0 years       6.0 years