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Earnings Per Share - Schedule of Potentially Dilutive Securities Excluded from the Diluted Loss Per Share Calculation (Details) - shares
 12 Months Ended
Oct. 31, 2017
Oct. 31, 2016
Oct. 31, 2015
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Share-based compensation arrangement by share-based payment award, options, outstanding, number 309,950 246,923 257,769
Share based compensation arrangement by share based payment award, non option equity instruments, outstanding, number 3,008,686 990,035  
Antidilutive securities excluded from computation of earnings per share, amount 42,620,752 13,304,630 1,344,428
Series C Preferred Shares [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Convertible preferred stock, shares issued upon conversion [1] 18,097,826    
Series B Cumulative Preferred Stock [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Convertible preferred stock, shares issued upon conversion [2] 454,043 454,043 454,043
Series 1 Preferred Shares [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Convertible preferred stock, shares issued upon conversion [2] 15,167 15,167 15,167
Unvested Restricted Stock Awards [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Share based compensation arrangement by share based payment award, non option equity instruments, outstanding, number 1,898,692 915,831 450,783
Series C Warrants [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Class of warrant or right, number of securities called by warrants or rights 11,580,900    
Series D Warrants [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Class of warrant or right, number of securities called by warrants or rights 2,584,174    
Series A Warrant [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Class of warrant or right, number of securities called by warrants or rights 7,680,000 7,680,000  
Series B Warrants [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Class of warrant or right, number of securities called by warrants or rights   3,826,000  
NRG Energy, Inc. [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Class of warrant or right, number of securities called by warrants or rights   166,666 166,666
[1] The number of shares of common stock issuable upon conversion of the Series C Preferred Stock was calculated using the stated value outstanding on October 31, 2017 of $33,300,000 (original total stated value of $33,500,000 less conversion through October 31, 2017 totaling $200,000) divided by the conversion price of $1.84.
[2] Refer to Note 13, Redeemable Preferred Stock, for information on the calculation of the common shares upon conversion.