Quarterly report pursuant to Section 13 or 15(d)

Acquisition and Disposition - Schedule of Discontinued Operations (Details)

v3.10.0.1
Acquisition and Disposition - Schedule of Discontinued Operations (Details) - USD ($)
3 Months Ended 12 Months Ended
Jul. 31, 2018
Jul. 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     248,684
Loss from discontinued operations $ (6,071,448) (5,925,640)
Gain from sale of discontinued operations     94,485
Total loss from discontinued operations $ (6,071,448) $ (5,831,155)