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Loss Per Share
 3 Months Ended
Jan. 31, 2012
Loss Per Share [Abstract]  
Loss Per Share

Note 11. Loss Per Share

The calculation of basic and diluted loss per share was as follows:

 

                 
    Three months ended
January 31,		  
    2012     2011  

Numerator

                

Net loss

   $ (6,014 )    $ (11,007 ) 

Net loss attributable to noncontrolling interest

     71       69  

Preferred stock dividend

     (800 )      (800 ) 
   

 

 

    

 

 

  

Net loss to common shareholders

   $ (6,743 )    $ (11,738 ) 
   

 

 

    

 

 

  

Denominator

                

Weighted average basic common shares

     139,555,596       115,086,014  

Effect of dilutive securities (1)

     —         —    
   

 

 

    

 

 

  

Weighted average diluted common shares

     139,555,596       115,086,014  
   

 

 

    

 

 

  

Basic loss per share

   $ (0.05 )    $ (0.10 ) 
   

 

 

    

 

 

  

Diluted loss per share (1)

   $ (0.05 )    $ (0.10 ) 
   

 

 

    

 

 

  

 

(1) Diluted loss per share was computed without consideration to potentially dilutive instruments as their inclusion would have been antidilutive. Potentially dilutive instruments include stock options, warrants and convertible preferred stock. At January 31, 2012 and 2011, there were options to purchase 3.0 million and 4.9 million shares of common stock, respectively. There were outstanding warrants for the right to purchase 10.2 million shares as of January 31, 2012 and 2011, respectively. Refer to our Annual Report on Form 10-K for the year ended October 31, 2011 for information on our convertible preferred stock.