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INCOME (LOSS) PER SHARE (Tables)
3 Months Ended
Mar. 31, 2012
Basic and Diluted Net Income or Loss Per Share Calculation
Basic and diluted net income (loss) per share is calculated as follows (in thousands, except per share amounts):
             
   
Three Months Ended
March 31,
 
   
2012
   
2011
 
Net income (loss) available to common stockholders
  $ 107     $ (1,500 )
Weighted average shares outstanding, basic
    50,336       50,124  
Weighted average shares outstanding, diluted
    51,033       50,124  
                 
Net income (loss) per share, basic and diluted
  $ 0.00     $ (0.03 )
                 
Anti-dilutive securities excluded from diluted net income (loss) per share calculation for stock-based compensation plans
    7,218       6,688