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Stock Options and Stock Awards
6 Months Ended
Aug. 31, 2013
Stock Options and Stock Awards  
Stock Options and Stock Awards

8. Stock Options and Stock Awards

        The Company recognizes share-based compensation expense over the requisite service period of the award, net of an estimate for the impact of forfeitures. Operating results for the twenty-six week periods ended August 31, 2013 and September 1, 2012 include $8,077 and $8,653, respectively, of compensation costs related to the Company's stock-based compensation arrangements.

        The total number and type of newly awarded grants and the related weighted average fair value for the thirteen week periods ended August 31, 2013 and September 1, 2012 are as follows:

 
  August 31, 2013   September 1, 2012  
 
  Shares   Weighted
Average
Fair Value
  Shares   Weighted
Average
Fair Value
 

Stock options granted

    4,828   $ 1.91     12,020   $ 0.91  

Stock awards granted

    2,721   $ 2.77     5,450   $ 1.31  
                       

Total awards

    7,549           17,470        
                       

        Typically, stock options granted vest, and are subsequently exercisable in equal annual installments over a four-year period for employees. Stock awards granted to non-employee directors vest 80% in year one, 10% in year two and 10% in year three.

        The Company calculates the fair value of stock options using the Black- Scholes-Merton option pricing model. The following assumptions were used in the Black-Scholes-Merton option pricing model:

 
  Twenty-Six Week
Period Ended
 
 
  August 31,
2013
  September 1,
2012
 

Expected stock price volatility

    85 %   85 %

Expected dividend yield

    0 %   0 %

Risk-free interest rate

    1.4 %   0.7 %

Expected option life

    5.5 years     5.5 years  

        As of August 31, 2013, the total unrecognized pre-tax compensation costs related to unvested stock options and restricted stock grants, net of estimated forfeitures and the weighted average period of cost amortization are as follows:

 
  August 31, 2013  
 
  Unvested stock
options
  Unvested
restricted
stock
 

Unrecognized pre-tax costs

  $ 20,204   $ 12,508  

Weighted average amortization period

    2.6 years     2.1 years