Quarterly report pursuant to Section 13 or 15(d)

Common Stock (Tables)

v2.4.0.6
Common Stock (Tables)
6 Months Ended
Jun. 30, 2012
Common Stock [Abstract]  
Summary of stock options activity
                 
    Number
of
Optioned
Common
Shares

#
    Weighted
Average
Exercise
Price

$
 

Balance, December 31, 2011

    766,328       9.82  

Option grants

    147,250       12.96  

Option expirations

    (868     3.89  

Option exercises

    (33,938     3.36  

Option forfeitures

    (4,541     15.26  
   

 

 

   

 

 

 

Balance, June 30, 2012

    874,231       10.58  
Summary of fair value option award
                 
    Six months ended
June 30,
 
    2012     2011  
     

Risk-free interest rates

    0.97     2.39
     

Expected dividend yield

    0     0
     

Expected life

    6 years       6 years  
     

Expected volatility

    95.82     75.00
Summary of restricted stock award activity
                                 
    2012     2011  
          Weighted-
Average
          Weighted-
Average
 
    Stock     Grant Date     Stock     Grant Date  
    Awards     Fair Value     Awards     Fair Value  
    #     $     #     $  

Outstanding January 1

    —         —         —         —    

Granted

    164,948       12.99       —         —    

Vested

    —         —         —         —    

Forfeited and expired

    (8,000     13.00       —         —    
   

 

 

   

 

 

   

 

 

   

 

 

 

Outstanding June 30

    156,948       12.99       —         —    
Summary of fair value of warrants issued
                 
   

Six Months Ended

June 30,

 
    2012     2011  

Risk-free interest rates

    0.46     1.43

Expected dividend yield

    0     0

Expected life

    3.3 years       4.3 years  

Expected volatility

    67.57     76.00