Stockholders' Equity and Warrant Liabilities - Schedule of Warrant Activity (Details)	6 Months Ended
	Apr. 30, 2021 shares
Orion Energy Partners Investment Agent, LLC Credit Facility [Member]
Class of Warrant or Right, Outstanding	2,700,000
Common stock issued during period, warrants exercised	(2,700,000)
May 2017 Offering - Series C Warrants
Class of Warrant or Right, Outstanding	964,128
Common stock issued during period, warrants exercised	(14,026)
Class of Warrant or Right, Outstanding	950,102