Quarterly report pursuant to Section 13 or 15(d)

Common Stock (Tables)

v2.4.0.6
Common Stock (Tables)
3 Months Ended
Mar. 31, 2013
Common Stock [Abstract]  
Summary of stock options activity
                 
    Number
of
Optioned
Common
Shares
    Weighted
Average
Exercise
Price
 
    #     $  

Balance, December 31, 2012

    804,781       11.34  

Option grants

    182,182       11.97  

Option expirations

    (3,061     4.11  

Option exercises

    (3,475     3.00  

Option forfeitures

    (200     14.49  
   

 

 

   

 

 

 

Balance, March 31, 2013

    980,227       11.51  
Summary of fair value option award
                 
    Three months ended
March 31,
 
    2013     2012  
     

Risk-free interest rates

    1.12     —    
     

Expected dividend yield

    0     —    
     

Expected life

    5.9 years       —    
     

Expected volatility

    88     —    
Summary of share-based compensation expense for stock options and restricted stock
                 
    Three Months Ended  
  March 31,  
    2013     2012  
    $     $  

Research and development

    312       135  

General and administrative

    436       185  
   

 

 

   

 

 

 
     

Total share-based compensation

    748       320  
Summary of restricted stock unit award activity
                                 
    2013     2012  
    Stock
Awards

#
    Weighted-
Average
Grant
Date Fair
Value

$
    Stock
Awards

#
    Weighted-
Average
Grant
Date Fair
Value

$
 

Outstanding January 1

    172,035       13.01       —         —    

Granted

    225,345       11.96       —         —    

Vested

    (13,899     13.00       —         —    

Forfeited or expired

    (562     13.00       —         —    
   

 

 

   

 

 

   

 

 

   

 

 

 

Outstanding March 31

    382,919       12.39       —         —    
Summary of fair value of warrants issued
                 
    Three Months Ended
March  31,
 
    2013     2012  
     

Risk-free interest rates

    0.31     0.66
     

Expected dividend yield

    0     0
     

Expected life

    2.6 years       3.6 years  
     

Expected volatility

    44     77