Quarterly Information (Unaudited) - Schedule of Quarterly Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended								12 Months Ended
		Oct. 31, 2018	Jul. 31, 2018	Apr. 30, 2018	Jan. 31, 2018	Oct. 31, 2017	Jul. 31, 2017	Apr. 30, 2017	Jan. 31, 2017	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Quarterly Financial Information [Line Items]
Revenues		$ 17,884	$ 12,110	$ 20,830	$ 38,613	$ 47,889	$ 10,358	$ 20,417	$ 17,002	$ 89,437	$ 95,666	$ 108,252
Gross profit (loss)		1,143	(2,056)	(629)	4,635	3,164	(2,626)	383	1,813	3,093	2,734	(357)
Loss on operations		(11,870)	(14,474)	(12,735)	(5,553)	(8,181)	(14,330)	(11,496)	(10,928)	(44,632)	(44,935)	(46,353)
Net loss		(14,096)	(15,881)	(13,174)	(4,183)	(9,979)	(17,001)	(13,238)	(13,685)	(47,334)	(53,903)	(51,208)
Series B Preferred stock dividends						(800)	(800)	(800)	(800)	(3,200)	(3,200)	(3,200)
Series D Preferred stock redemption accretion										(2,075)
Net loss to common stockholders		$ (17,929)	$ (17,620)	$ (18,173)	$ (8,446)	$ (10,779)	$ (17,801)	$ (14,038)	$ (14,485)	$ (62,168)	$ (57,103)	(54,157)
Net loss to common stockholders per basic and diluted common share	[1]	$ (0.19)	$ (0.20)	$ (0.23)	$ (0.12)	$ (0.17)	$ (0.31)	$ (0.33)	$ (0.39)	$ (0.75)	$ (1.14)
Series B Preferred Stock [Member]
Quarterly Financial Information [Line Items]
Series B Preferred stock dividends		$ (800)	$ (800)	$ (800)	$ (800)					$ (3,200)	$ (3,200)	(3,200)
Series C Preferred Stock [Member]
Quarterly Financial Information [Line Items]
Series C Preferred stock deemed dividends		(958)	$ (939)	$ (4,199)	$ (3,463)					(9,559)	0	0
Series D Preferred Stock [Member]
Quarterly Financial Information [Line Items]
Series D Preferred stock redemption accretion		$ (2,075)								$ (2,075)	$ 0	$ 0

[1] The full year net loss to common stockholders basic and diluted share may not equal the sum of the quarters due to weighting of outstanding shares