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Stock Based Compensation Expense (Tables)
 3 Months Ended
Mar. 31, 2014
Summary of Option Activity

Option activity within each plan is as follows:

 

     Incentive
Stock Option
Plans		     Weighted Average
Price Per Share		      Exercisable
Weighted
Average
Price
Per Share		  

Balance outstanding, December 31, 2013

      561,029      $ 7.76       $ 7.70   

Options exercised, $7.50

      (82,650 )      7.50      
  

 

 

    

 

 

     

 

 

  

Balance outstanding, March 31, 2014

      478,379      $ 7.80       $ 7.74   
  

 

 

    

 

 

     

 

 

  
Summary of Stock Options Summarized by Exercise Price

Information relating to stock options at March 31, 2014 summarized by exercise price is as follows:

 

     Outstanding Weighted Average      Exercisable Weighted
Average		  

Exercise Price Per Share

    Shares      Remaining
Life
(Months)		      Exercise
Price		      Shares      Exercise
Price		  

Incentive Stock Option Plan:

               

$7.50

      451,700         80       $ 7.50         451,700       $ 7.50   

$11.32—$14.75

      26,679         77       $ 12.90         20,012       $ 13.10   
  

 

 

        

 

 

     

 

 

     

 

 

  
     478,379          $ 7.80         471,712       $ 7.74   
  

 

 

        

 

 

     

 

 

     

 

 

  
Weighted Average Exercise Prices for Options Granted and Exercisable and Weighted Average Remaining Contractual Life for Options Outstanding

The weighted average exercise prices for options granted and exercisable and the weighted average remaining contractual life for options outstanding as of March 31, 2014 was as follows:

 

     Number
of
Shares		      Weighted
Average
Exercise
Price		      Weighted
Average
Remaining
Contractual
Life
(Months)		      Intrinsic
Value
(thousands)		  

As of March 31, 2014:

            

Incentive Stock Option Plans:

            

Outstanding

      478,379       $ 7.80         80       $ 6,625   

Expected to Vest

      478,351       $ 7.80         80       $ 6,625   

Exercisable

      471,712       $ 7.74         80       $ 6,563   
Summary of Non-Vested Shares

Restricted Shares — A status summary of non-vested shares as of and for the three months ended March 31, 2014 is presented below:

 

     Number
of
Shares		     Weighted
Average
Grant-
Date
Fair Value		  

Nonvested shares at December 31, 2013

      376,702      $ 24.85   

Vested

      (1,000 )      31.83   

Forfeited

      (1,840 )      24.23   
  

 

 

    

 

 

  

Nonvested shares at March 31, 2014

      373,862      $ 24.83   
  

 

 

    

 

 

  
Performance Shares
  
Summary of Non-Vested Shares

Performance Based Shares—A status summary of non-vested performance based shares as of and for the three months ended March 31, 2014 is presented below:

 

     Number
of
Shares		      Weighted
Average
Grant-
Date
Fair Value		  

Nonvested shares at December 31, 2013

      24,637       $ 28.43   

Granted

      —          —    

Vested

      —          —    

Forfeited

      —          —    
  

 

 

     

 

 

  

Nonvested shares at March 31, 2014

      24,637       $ 28.43