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Stockholders' Equity - Schedule of Stockholders Equity (Details) - USD ($)
$ in Thousands
 3 Months Ended
Jan. 31, 2018
Jan. 31, 2017
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Balance as of October 31, 2017 $ 101,256  
Foreign currency translation adjustments 33 $ (70)
Net loss (4,183) $ (13,685)
Balance as of January 31, 2018 107,064  
Parent [Member]    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Balance as of October 31, 2017 101,256  
Share-based compensation 617  
Warrant exercises 2,647  
Taxes paid upon vesting of restricted stock awards, net of stock issued under benefit plans (75)  
Preferred dividends – Series B (800)  
Series C convertible preferred stock conversions 7,569  
Foreign currency translation adjustments 33  
Net loss (4,183)  
Balance as of January 31, 2018 $ 107,064