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Stockholders' Equity - Schedule of Warrant Activity (Details)
 3 Months Ended
Jan. 31, 2018
shares
Series A Warrant [Member]  
Balance as of October 31, 2017 7,680,000
Balance as of January 31, 2018 7,680,000
Series C Warrants [Member]  
Balance as of October 31, 2017 11,580,900
Warrants exercised (7,536)
Balance as of January 31, 2018 11,573,364
Series D Warrants [Member]  
Balance as of October 31, 2017 2,584,174
Warrants exercised (2,058,866)
Balance as of January 31, 2018 525,308