Quarterly report pursuant to Section 13 or 15(d)

Acquisition and Disposition - Schedule of Discontinued Operations (Details)

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Acquisition and Disposition - Schedule of Discontinued Operations (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Oct. 31, 2018
Oct. 31, 2017
Oct. 31, 2018
Oct. 31, 2017
Apr. 30, 2018
Business Combinations [Abstract]          
Revenues         $ 7,885,310
Cost of sales         6,653,363
Gross profit         1,231,947
Operating and other non-operating expenses (including impairment charge of 6,094,760)         (7,406,271)
Gain from extinguishment of liabilities     $ 245,256 248,684
Loss from discontinued operations $ 142,380 (5,929,068) (5,925,640)
Gain from sale of discontinued operations 102,023 102,023 94,485
Total loss from discontinued operations $ 244,403 $ (5,827,045) $ (5,831,155)