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Loss Per Share (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 9 Months Ended
Jul. 31, 2013
Jul. 31, 2012
Jul. 31, 2013
Jul. 31, 2012
Oct. 31, 2012
Numerator [Abstract]          
Net Loss $ (5,814) $ (10,010) $ (25,322) $ (24,387)  
Net Income (Loss) Attributable to Noncontrolling Interest 202 88 664 230  
Dividends, Preferred Stock (800) (800) (2,400) (2,401)  
Net loss attributable to common shareholders $ (6,412) $ (10,722) $ (27,058) $ (26,558)  
Demoninator [Abstract]          
Weighted Average Number of Shares Outstanding, Diluted 192,051,578 185,906,834 190,006,331 158,548,998  
Weighted Average Number Diluted Shares Outstanding Adjustment 0 [1] 0 [1] 0 0  
Weighted Average Number of Shares Outstanding, Basic 192,051,578 185,906,834 190,006,331 158,548,998  
Earnings Per Share, Basic $ (0.03) $ (0.06) $ (0.14) $ (0.17)  
Earnings Per Share, Diluted $ (0.03) [1] $ (0.06) [1] $ (0.14) $ (0.17)  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 3,217,789 3,200,000 3,217,789 3,200,000 3,120,456
[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, convertible preferred stock and senior unsecured convertible notes. At July 31, 2013 and 2012, there were options to purchase 3.2 million and 3.2 million, respectively, shares of common stock. Refer to our Annual Report on Form 10-K for the year ended October 31, 2012 for information on our convertible preferred stock and refer to Footnote 9 for information on the senior unsecured convertible notes.