Stock Based Compensation Arrangements - Schedule of Share-based Compensation, Stock Options, Activity (Details)	6 Months Ended
	Apr. 30, 2017 $ / shares shares
Employees [Member]
Number of Shares, Outstanding at beginning of period | shares	383,210
Number of Shares, Granted | shares	2,715,000
Number of Shares, Exercised | shares	(121,698)
Number of Shares, Outstanding at end of period | shares	2,976,512
Number of Shares, Options exercisable | shares	767,342
Weighted Average Exercise Price, Outstanding at beginning of year | $ / shares	$ 5.74
Weighted Average Exercise Price, Granted | $ / shares	3.49
Weighted Average Exercise Price, Exercised | $ / shares	4.83
Weighted Average Exercise Price, Outstanding at end of year | $ / shares	3.72
Weighted Average Exercise Price, Options exercisable | $ / shares	$ 4.19
Weighted Average Exercise Price, Weighted-average fair value of options granted during the period	2 years 4 months 13 days
Non-employees [Member]
Number of Shares, Granted | shares	52,000
Number of Shares, Exercised | shares
Weighted Average Exercise Price, Granted | $ / shares	$ 4.71
Weighted Average Exercise Price, Exercised | $ / shares