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Earnings Per Share (Tables)
 12 Months Ended
Oct. 31, 2014
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
The calculation of basic and diluted EPS for the years ended October 31, 2014, 2013 and 2012 was as follows:
 
 
2014
 
2013
 
2012
Numerator
 
 
 
 
 
 
Net loss
 
$
(38,883
)
 
$
(35,319
)
 
$
(35,906
)
Net loss attributable to noncontrolling interest
 
758

 
961

 
411

Preferred stock dividend
 
(3,200
)
 
(3,200
)
 
(3,201
)
Net loss to common shareholders
 
$
(41,325
)
 
$
(37,558
)
 
$
(38,696
)
Denominator
 
 
 
 
 
 
Weighted average basic common shares
 
245,686,983

 
186,525,001

 
165,471,261

   Effect of dilutive securities (1)
 
—

 
—

 
—

Weighted average diluted common shares
 
245,686,983

 
186,525,001

 
165,471,261

   Basic loss per share
 
(0.17
)
 
(0.20
)
 
(0.23
)
   Diluted loss per share (1)
 
(0.17
)
 
(0.20
)
 
(0.23
)
(1)
Due to the net loss to common shareholders in each of the years presented above, diluted earnings per share was computed without consideration to potentially dilutive instruments as their inclusion would have been antidilutive. Potentially dilutive instruments include stock options, warrants, unvested RSAs and RSUs, convertible preferred stock and convertible notes. At October 31, 2014, 2013 and 2012, there were options to purchase 3.0 million, 3.2 million and 3.1 million shares of common stock, respectively and at October 31, 2014 and 2013, there were warrants to purchase 5.75 million and 5.0 million, respectively shares of common stock that were not included in the calculation of diluted earnings per share as they would be antidiulutive. There were no warrants outstanding at October 31, 2012.