Quarterly report pursuant to Section 13 or 15(d)

Benefits Plans (Tables)

v2.3.0.15
Benefits Plans (Tables)
9 Months Ended
Sep. 30, 2011
Benefits Plans [Abstract]  
Fair value of options granted to employees
          The following table summarizes the weighted-average assumptions used to compute the fair value of options granted to employees and members of our board of directors:
                                 
    For the Three Months     For the Nine Months  
    Ended September 30,     Ended September 30,  
    2011     2010     2011     2010  
Risk-free interest rate
    1.1 %     1.5 %     1.1 %     1.7 %
Expected life of options — years
    5.27       5.33       5.27       5.28  
Expected stock price volatility
    68 %     85 %     68 %     85 %
Expected dividend yield
    0 %     0 %     0 %     0 %
Stock options activity under share-based payment plans
     The following table summarizes stock option activity under our share-based payment plans for the nine months ended September 30, 2011 (shares in thousands):
                                 
                    Weighted-Average    
                    Remaining   Aggregate
            Weighted-Average   Contractual Term   Intrinsic
    Shares   Exercise Price   (Years)   Value
Outstanding, December 31, 2010
    401,870     $ 1.32                  
Granted
    77,451     $ 1.80                  
Exercised
    (9,965 )   $ 0.91                  
Forfeited, cancelled or expired
    (24,288 )   $ 4.32                  
 
                               
Outstanding, September 30, 2011
    445,068     $ 1.25       6.60     $ 278,467  
 
                               
Exercisable, September 30, 2011
    145,867     $ 1.89       5.49     $ 81,314  
 
                               
Summary of nonvested restricted stock and restricted stock unit activity
          The following table summarizes the nonvested restricted stock and restricted stock unit activity under our share-based payment plans for the nine months ended September 30, 2011 (shares in thousands):
                 
            Weighted-Average
            Grant Date
    Shares   Fair Value
Nonvested, December 31, 2010
    2,397     $ 2.57  
Granted
        $  
Vested restricted stock awards
    (1,854 )   $ 3.30  
Vested restricted stock units
    (101 )   $ 3.08  
Forfeited
    (21 )   $ 3.05  
 
               
Nonvested, September 30, 2011
    421     $ 1.46