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Loss Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Jul. 31, 2015
Jul. 31, 2014
Jul. 31, 2015
Jul. 31, 2014
Earnings Per Share [Abstract]        
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 4,300,000 5,750,000 4,300,000 5,750,000
Numerator [Abstract]        
Net Loss $ (6,628) $ (7,139) $ (20,779) $ (33,993)
Net Income (Loss) Attributable to Noncontrolling Interest 89 161 280 568
Dividends, Preferred Stock (800) (800) (2,400) (2,400)
Net loss attributable to common shareholders $ (7,339) $ (7,778) $ (22,899) $ (35,825)
Demoninator [Abstract]        
Weighted Average Number of Shares Outstanding, Diluted 298,609,231 258,178,826 291,747,961 233,933,636
Weighted Average Number Diluted Shares Outstanding Adjustment [1] 0 0 0 0
Weighted Average Number of Shares Outstanding, Basic 298,609,231 258,178,826 291,747,961 233,933,636
Earnings Per Share, Basic $ (0.02) $ (0.03) $ (0.08) $ (0.15)
Earnings Per Share, Diluted [1] $ (0.02) $ (0.03) $ (0.08) $ (0.15)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 3,000,000 3,100,000 3,000,000 3,100,000
[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, 2015 and 2014, there were options to purchase 3.0 million and 3.1 million shares of common stock, respectively, and as of July 31, 2015 and 2014 there were warrants to purchase 4.3 million and 5.75 million shares of common stock, respectively, which were excluded from the computation as they would be antidilutive.