Loss Per Share - Schedule of Anti-dilutive Potential Shares Outstanding Activity (Details) - shares	3 Months Ended
	Jan. 31, 2018	Jan. 31, 2017
Shares Issuable Upon Exercise of Warrants [Member]
Antidilutive shares	322,727
Shares Issuable Upon Conversion of Preferred Stock [Member]
Antidilutive shares	8,853,413	2,357,232
Shares Issuable Upon Exercise of Stock Options [Member]
Antidilutive shares	4,804,069	2,922,020
Non-vested Shares Under Restricted Stock Grants [Member]
Antidilutive shares	232,583	640,184