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Stockholders' Equity and Warrant Liabilities - Schedule of Warrant Activity (Details)
 12 Months Ended
Oct. 31, 2019
shares
Common stock issued during period, warrants issued 6,000,000 [1]
Class of Warrant or Right, Outstanding 6,000,000 [1]
Series A Warrants [Member]  
Class of Warrant or Right, Outstanding 640,000
Common stock issued during period, warrants exchanged (640,000)
Series C Warrants [Member]  
Class of Warrant or Right, Outstanding 964,114
Class of Warrant or Right, Outstanding 964,114
[1] The Second Funding Warrants, exercisable to purchase 14.0 million shares of the Company’s common stock, were contingently issuable in connection with the Second Funding under the Orion Credit Agreement, which occurred on November 22, 2019. The Company accounted for the value of the Orion Warrants, which were exercisable to purchase an aggregate of 20.0 million shares of the Company’s common stock, as a liability as of October 31, 2019.