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Quarterly Information (Unaudited) (Tables)
 12 Months Ended
Oct. 31, 2012
Schedule of Quarterly Financial Information [Table Text Block]
Selected unaudited financial data for each quarter of fiscal years 2012 and 2011 is presented below. We believe that the information reflects all normal recurring adjustments necessary for a fair presentation of the information for the periods presented.
 
 
First
Quarter
 
Second
Quarter
 
Third
Quarter
 
Fourth
Quarter
 
Full
Year
Year ended October 31, 2012
 
 
 
 
 
 
 
 
 
 
Revenues
 
$
31,337

 
$
24,153

 
$
29,693

 
$
35,420

 
$
120,603

Gross profit (loss)
 
2,104

 
201

 
(2,738
)
 
878

 
445

Loss on operations
 
(5,443
)
 
(7,757
)
 
(10,511
)
 
(8,418
)
 
(32,129
)
Net loss
 
(6,014
)
 
(8,363
)
 
(10,010
)
 
(11,519
)
 
(35,906
)
Preferred stock dividends
 
(800
)
 
(801
)
 
(800
)
 
(800
)
 
(3,201
)
Net loss to common shareholders
 
(6,743
)
 
(9,093
)
 
(10,722
)
 
(12,138
)
 
(38,696
)
Net loss to common shareholders per basic and diluted common share (1)
 
$
(0.05
)
 
$
(0.06
)
 
$
(0.06
)
 
$
(0.07
)
 
$
(0.23
)
Year ended October 31, 2011
 
 
 
 
 
 
 
 
 
 
Revenues
 
$
28,080

 
$
28,607

 
$
31,160

 
$
34,723

 
$
122,570

Gross profit (loss)
 
(2,316
)
 
(10,870
)
 
137

 
439

 
(12,610
)
Loss on operations
 
(10,612
)
 
(19,822
)
 
(7,359
)
 
(7,884
)
 
(45,677
)
Net loss
 
(11,007
)
 
(20,008
)
 
(7,830
)
 
(7,129
)
 
(45,974
)
Preferred stock dividends
 
(800
)
 
(800
)
 
(800
)
 
(800
)
 
(3,200
)
Net loss to common shareholders
 
(11,738
)
 
(29,743
)
 
(8,554
)
 
(7,865
)
 
(57,900
)
Net loss to common shareholders per basic and diluted common share (1)
 
$
(0.10
)
 
$
(0.24
)
 
$
(0.07
)
 
$
(0.06
)
 
$
(0.47
)
(1)
The full year net loss to common shareholders basic and diluted share may not equal the sum of the quarters due to weighting of outstanding shares.