v3.3.1.900
Stockholders' Equity (Tables)
12 Months Ended
Dec. 31, 2015
Equity [Abstract]  
Summary of Option Activity

A summary of stock option activity for the year ended December 31, 2015 is as follows (shares and aggregate intrinsic value in thousands):

 

 

     Shares      Wtd. Avg.
Exercise Price
     Wtd. Avg.
Remaining
Contractual Life
     Aggregate
Intrinsic
Value
 

Outstanding at December 31, 2014

     980       $ 0.85         

Granted

     315       $ 1.61         

Exercised

     (30    $ 0.89         

Forfeited

     (8    $ 1.31         
  

 

 

          

Outstanding at December 31, 2015

     1,257       $ 1.04         4.51 years       $ 708   
  

 

 

          

Vested and expected to vest

     1,179       $ 1.00         4.40 years       $ 699   
  

 

 

          

Exercisable at December 31, 2015

     807       $ 0.77         3.38 years       $ 656   
  

 

 

          

 

Summary of Non-Vested Options

A summary of the status of the Company’s non-vested options at December 31, 2015, and changes during the year then ended are presented below (shares in thousands):

 

     Shares      Weighted-average
grant-date fair value
 

Non-vested at December 31, 2014

     412       $ 0.82   

Granted

     315       $ 1.25   

Vested

     (269    $ 0.76   

Forfeited

     (8    $ 0.93   
  

 

 

    

Non-vested at December 31, 2015

     450       $ 1.16   
  

 

 

    

 

Summary of Share-Based Compensation Expense

The following table summarizes share-based compensation expense for the years ended December 31 (in thousands):

 

     2015      2014      2013  

Selling, general and administrative:

        

Non-employee directors

   $ 47       $ 19       $ 11   

Officers

     97         39         40   

Others

     74         28         18   
  

 

 

    

 

 

    

 

 

 

Total SG&A

     218         86         69   

Research and development

     —           —           40   
  

 

 

    

 

 

    

 

 

 

Total share-based compensation expense before taxes

     218         86         109   

Related deferred income tax benefits

     —           —           —     
  

 

 

    

 

 

    

 

 

 

Share-based compensation expense

   $ 218       $ 86       $ 109