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Capital Stock (Tables)
12 Months Ended
Dec. 31, 2012
Dividends Declared

Dividends declared in 2012 and 2011 are as follows:

 

Dividend per share

   Date declared    Date of record    Payment date

$0.025

   March 4, 2011    May 2, 2011    May 16, 2011

$0.025

   June 27, 2011    August 2, 2011    August 16, 2011

$0.025

   November 4, 2011    November 18, 2011    November 29, 2011

$0.025

   January 11, 2012    February 1, 2012    February 15, 2012

$0.025

   March 6, 2012    May 1, 2012    May 15, 2012

$0.025

   June 13, 2012    August 1, 2012    August 15, 2012

$0.025

   July 31, 2012    November 1, 2012    November 15, 2012

$0.025

   November 2, 2012    February 1, 2013    February 15, 2013
Summary of Stock Option Activity and Related Information

A summary of the Company’s stock option activity and related information for the three years ended December 31, 2012, is as follows:

 

     Options     Weighted-
average
exercise
price
     Weighted-
average
remaining
contractual
life (years)
     Aggregate
intrinsic
value
 

Options outstanding at December 31, 2009

     1,786,667      $ 12.14         

Grants

     573,000        13.12         

Exercises

     (39,250     4.44         

Cancellations

     (101,217     13.65         
  

 

 

         

Options outstanding at December 31, 2010

     2,219,200        12.46         

Grants

     391,500        11.20         

Exercises

     (123,500     5.19         

Cancellations

     (11,450     13.29         
  

 

 

         

Options outstanding at December 31, 2011

     2,475,750        12.62         

Grants

     305,000        11.64         

Exercises

     (199,823     5.47         

Cancellations

     (52,750     12.82         
  

 

 

         

Options outstanding at December 31, 2012

     2,528,177        13.06         6.13       $ 4,525,905   
  

 

 

         

 

 

 

Options exercisable at December 31, 2012

     1,616,052        14.19         4.96       $ 3,813,485   
  

 

 

         

 

 

 
Fair Value Stock Options at Grant Date using Weighted Average Assumption

The fair value for these stock options was estimated at the date of grant using the following weighted-average assumptions:

 

     2012     2011     2010  

Historical volatility

     61     60     73

Expected term (years)

     6.0        5.6        5.0   

Risk-free interest rate

     1.10     1.96     2.18

Expected dividend yield

     0.86     0.89     0.00