v2.3.0.15
COMPENSATION PLANS (Tables)
9 Months Ended
Sep. 30, 2011
COMPENSATION PLANS 
Summary of restricted common stock activity for awards that have not yet vested

 

 
  Shares   Weighted Average
Grant-Date
Fair Value
 

Non-vested restricted common stock, at beginning of period

    217,794   $ 27.96  

Granted

    61,585     35.80  

Vested

    (98,744 )   28.11  

Forfeited

    (8,775 )   30.77  
             

Non-vested restricted common stock, at end of period

    171,860   $ 30.53  
             
Schedule of assumptions used to compute the weighted average fair value of options granted

 

 
  Nine months ended  
 
  September 30, 2011   September 30, 2010  

Risk-free interest rate

    2.6 %   2.7 %

Dividend yield

         

Estimated volatility

    56.6 %   56.7 %

Expected option life

    6 years     6 years  
Summary of stock option activity

A summary of Intrepid's stock option activity for the nine months ended September 30, 2011, is as follows:

 
  Shares   Weighted Average
Exercise Price
  Aggregate
Intrinsic
Value(1)
  Weighted Average
Remaining
Contractual Life
  Weighted Average
Grant-Date
Fair Value
 

Outstanding non-qualified stock options, at beginning of period

    273,851   $ 22.69               $ 10.69  

Granted

    102,196     35.69                 19.59  

Exercised

    (14,739 )   22.33                 10.02  

Forfeited

    (6,969 )   30.35                 16.29  
                               

Outstanding non-qualified stock options, at end of period

    354,339   $ 26.31   $ 619,153     8.2   $ 13.17  
                             

Vested or expected to vest, end of period

    339,487   $ 26.00   $ 617,544     8.2   $ 12.95  
                             

Exercisable non-qualified stock options, at end of period

    131,887   $ 22.00   $ 401,823     7.7   $ 9.85  
                             

(1)
The intrinsic value of a stock option is the amount by which the market value exceeds the exercise price as of the end of the period presented.