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Loss Per Share (Tables)
 3 Months Ended
Jan. 31, 2013
Loss Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
The calculation of basic and diluted loss per share was as follows:
 

 
Three Months Ended January 31,
 
 
2013
 
2012
 
Numerator
 
 
 
 
Net loss
$
(11,879
)
 
$
(6,014
)
 
Net loss attributable to noncontrolling interest
198

 
71

 
Preferred stock dividend
(800
)
 
(800
)
 
Net loss attributable to common shareholders
$
(12,481
)
 
$
(6,743
)
 
Denominator
 
 
 
 
Weighted average basic common shares
187,553,306

 
139,555,596

 
Effect of dilutive securities (1)
—

 
—

 
Weighted average diluted common shares
187,553,306

 
139,555,596

 
Basic loss per share
$
(0.07
)
 
$
(0.05
)
 
              Diluted loss per share (1)
$
(0.07
)
 
$
(0.05
)
 
 
(1)
Diluted loss per share was computed without consideration to potentially dilutive instruments as their inclusion would have been antidilutive, as the strike prices are above current market price. Potentially dilutive instruments include stock options and convertible preferred stock. At January 31, 2013 and 2012, there were options to purchase 3.1 million and 3.0 million shares of common stock, respectively. Refer to our Annual Report on Form 10-K for the year ended October 31, 2012 for information on our convertible preferred stock.