Stock-Based Compensation - Schedule of Share-based Compensation, Stock Options, Activity (Details) - $ / shares	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016
Number of Shares, Granted	14,900
Employee Stock Option [Member]
Number of Shares, Outstanding at beginning of period	383,210	97,771
Number of Shares, Granted	3,482,000	347,010
Number of Shares, Forfeited	(70,833)	(12,258)
Number of Shares, Exercised	(268,847)	(31,657)
Number of Shares, Expired		(17,656)
Number of Shares, Outstanding at end of period	3,525,530	383,210
Number of Shares, Options exercisable	1,415,440
Weighted Average Exercise Price, Outstanding at beginning of year	$ 5.74	$ 16.81
Weighted Average Exercise Price, Granted	6.29	4.84
Weighted Average Exercise Price, Forfeited	6.42	36.97
Weighted Average Exercise Price, Exercised	4.84	4.08
Weighted Average Exercise Price, Expired		30.72
Weighted Average Exercise Price, Outstanding at end of year	6.34	$ 5.74
Weighted Average Exercise Price, Options exercisable	4.26
Weighted-average grant date fair value of options granted during the year	$ 4.28
Non-Employee Stock Option [Member]
Number of Shares, Outstanding at beginning of period
Number of Shares, Granted	293,000
Number of Shares, Forfeited
Number of Shares, Exercised
Number of Shares, Expired
Number of Shares, Outstanding at end of period	293,000
Number of Shares, Options exercisable	26,667
Weighted Average Exercise Price, Outstanding at beginning of year
Weighted Average Exercise Price, Granted	19.61
Weighted Average Exercise Price, Forfeited
Weighted Average Exercise Price, Exercised
Weighted Average Exercise Price, Expired
Weighted Average Exercise Price, Outstanding at end of year	19.61
Weighted Average Exercise Price, Options exercisable	$ 6.87