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Loss Per Share (Tables)
 9 Months Ended
Jul. 31, 2014
Earnings 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 July 31,
 
Nine Months Ended July 31
 
2014
 
2013
 
2014
 
2013
Numerator
 
 
 
 
 
 
 
Net loss
$
(7,139
)
 
$
(5,814
)
 
$
(33,993
)
 
$
(25,322
)
Net loss attributable to noncontrolling interest
161

 
202

 
568

 
664

Preferred stock dividend
(800
)
 
(800
)
 
(2,400
)
 
(2,400
)
Net loss attributable to common shareholders
$
(7,778
)
 
$
(6,412
)
 
$
(35,825
)
 
$
(27,058
)
Denominator
 
 
 
 
 
 
 
Weighted average basic common shares
258,178,826

 
192,051,578

 
233,933,636

 
190,006,331

Effect of dilutive securities (1)
—

 
—

 
—

 
—

Weighted average diluted common shares
258,178,826

 
192,051,578

 
233,933,636

 
190,006,331

Basic loss per share
$
(0.03
)
 
$
(0.03
)
 
$
(0.15
)
 
$
(0.14
)
              Diluted loss per share (1)
$
(0.03
)
 
$
(0.03
)
 
$
(0.15
)
 
$
(0.14
)
 
(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, unvested restricted stock awards, convertible preferred stock and warrants. As of July 31, 2014 and 2013, there were options to purchase 3.1 million shares of common stock and at July 31, 2014 there were warrants to purchase 5.75 million shares of common stock as they would be antidilutive.