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Net Income (Loss) Per Share of Common Stock
 12 Months Ended
Aug. 31, 2012
Net Income (Loss) Per Share of Common Stock  
Net Income (Loss) Per Share of Common Stock

 

11. Net Income (Loss) Per Share of Common Stock

        The following tables set forth the computation of the Company's basic and diluted net income (loss) per share of common stock for the years ended August 31, 2012, 2011 and 2010 (in thousands, except per share data). The two-class method was used for the period through December 8, 2010, the period that the convertible preferred shares were outstanding.

 
   Years Ended August 31,  
 
   2012   2011   2010  

Numerator:

                    

Basic:

                    

Net income (loss) attributable to SemiLEDs stockholders

   $ (49,457 ) $ (16,104 ) $ 10,828  

8% noncumulative dividends on convertible preferred stock

     —     (1,532 )   (5,634 )

Undistributed earnings allocated to convertible preferred stockholders

     —     (1,538 )   (3,370 )
               

Net income (loss) attributable to SemiLEDs common stockholders, basic

   $ (49,457 ) $ (19,174 ) $ 1,824  
               

Diluted:

                    

Net income (loss) attributable to SemiLEDs common stockholders, basic

   $ (49,457 ) $ (19,174 ) $ 1,824  

Undistributed earnings re-allocated to common stock

     —     —     78  
               

Net income (loss) attributable to SemiLEDs common stockholders, diluted

   $ (49,457 ) $ (19,174 ) $ 1,902  
               

Denominator:

                    

Basic:

                    

Shares used in computing net income (loss) per share attributable to SemiLEDs common stockholders, basic

     27,414     21,887     7,090  
               

Diluted:

                    

Shares used in computing net income (loss) per share attributable to SemiLEDs common stockholders, basic

     27,414     21,887     7,090  

Add: Weighted average effect of dilutive securities:

                    

Stock options

     —     —     633  
               

Shares used in computing net income (loss) per share attributable to SemiLEDs common stockholders, diluted

     27,414     21,887     7,723  
               

Net income (loss) per share attributable to SemiLEDs common stockholders:

                    

Basic

   $ (1.80 ) $ (0.88 ) $ 0.26  
               

Diluted

   $ (1.80 ) $ (0.88 ) $ 0.24  
               

        The following securities were excluded from the computation of diluted net income (loss) per share of common stock for the periods presented because including them would have been anti-dilutive (in thousands):

 
   Years Ended August 31,  
 
   2012   2011   2010  

Stock units and stock options to purchase common stock

     631     413     —  

Common stock subject to repurchase

     1     3     —  

Convertible preferred stock

     —     —     13,719