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Loss Per Share (Tables)
 6 Months Ended
Apr. 30, 2016
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 April 30,
 
Six Months Ended April 30,
 
2016
 
2015
 
2016
 
2015
Numerator
 
 
 
 
 
 
 
Net loss
$
(15,414
)
 
$
(9,997
)
 
$
(27,193
)
 
$
(14,151
)
Net loss attributable to noncontrolling interest
41

 
103

 
108

 
191

Preferred stock dividend
(800
)
 
(800
)
 
(1,600
)
 
(1,600
)
Net loss attributable to common shareholders
$
(16,173
)
 
$
(10,694
)
 
$
(28,685
)
 
$
(15,560
)
Denominator
 
 
 
 
 
 
 
Weighted average basic common shares
28,782,066

 
24,252,182

 
27,500,236

 
24,021,705

Effect of dilutive securities (1)
—

 
—

 
—

 
—

Weighted average diluted common shares
28,782,066

 
24,252,182

 
27,500,236

 
24,021,705

Basic loss per share
$
(0.56
)
 
$
(0.44
)
 
$
(1.04
)
 
$
(0.65
)
              Diluted loss per share (1)
$
(0.56
)
 
$
(0.44
)
 
$
(1.04
)
 
$
(0.65
)
 
(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 April 30, 2016 and 2015, there were options to purchase 0.3 million shares of common stock, and as of April 30, 2016 and 2015, there were warrants to purchase 0.2 million and 0.4 million shares of common stock, respectively, which were excluded from the computation as they would be antidilutive.