Quarterly report pursuant to Section 13 or 15(d)

Acquisition and Disposition - Schedule of Discontinued Operations (Details) (Parenthetical)

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Acquisition and Disposition - Schedule of Discontinued Operations (Details) (Parenthetical) - USD ($)
6 Months Ended 12 Months Ended
Oct. 31, 2018
Oct. 31, 2017
Apr. 30, 2018
Business Combinations [Abstract]      
Impairment charge $ 6,094,760 $ 6,094,760