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Shareholders' Equity (Details) (USD $)
In Thousands, except Share data in Millions, unless otherwise specified
 3 Months Ended 6 Months Ended
Apr. 30, 2013
Jan. 31, 2013
Apr. 30, 2012
Apr. 30, 2013
Apr. 30, 2012
Dec. 20, 2012
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Stockholders' (decifit) equity, Including Portion Attributable to Noncontrolling Interest   $ 14,128   $ 14,128    
Stock Issued During Period, Value, New Issues       3,562    
Stock Granted During Period, Value, Share-based Compensation, Net of Forfeitures       1,022    
Stock Issued During Period, Value, Employee Benefit Plan       (199)    
Dividends, Preferred Stock (800)   (801) (1,600) (1,601)  
Foreign currency translation adjustments (55)   0 21 (2)  
Reclass of noncontrolling interest due to liquidation of subsidiary       0    
Net Loss (7,629)   (8,363) (19,508) (14,377)  
Stockholders' (deficity equity, Including Portion Attributable to Noncontrolling Interest (2,574)     (2,574)    
Stock Issued During Period, Shares, New Issues   3.5        
Noncontrolling Interest, Ownership Percentage by Controlling Owners           61.00%
Stock Issued During Period, Value, Acquisitions       3,562 0  
Total Shareholders' Equity (Deficit) [Member]
            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Stockholders' (decifit) equity, Including Portion Attributable to Noncontrolling Interest   14,509   14,509    
Stock Issued During Period, Value, New Issues       3,562    
Stock Granted During Period, Value, Share-based Compensation, Net of Forfeitures       1,022    
Stock Issued During Period, Value, Employee Benefit Plan       (199)    
Dividends, Preferred Stock       (1,600)    
Foreign currency translation adjustments       21    
Reclass of noncontrolling interest due to liquidation of subsidiary       (562)    
Net Loss       (19,046)    
Stockholders' (deficity equity, Including Portion Attributable to Noncontrolling Interest (2,293)     (2,293)    
Noncontrolling Interest [Member]
            
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Stockholders' (decifit) equity, Including Portion Attributable to Noncontrolling Interest   (381)   (381)    
Stock Issued During Period, Value, New Issues       0    
Stock Granted During Period, Value, Share-based Compensation, Net of Forfeitures       0    
Stock Issued During Period, Value, Employee Benefit Plan       0    
Dividends, Preferred Stock       0    
Foreign currency translation adjustments       0    
Reclass of noncontrolling interest due to liquidation of subsidiary       562    
Net Loss       (462)    
Stockholders' (deficity equity, Including Portion Attributable to Noncontrolling Interest $ (281)     $ (281)