Quarterly report pursuant to Section 13 or 15(d)

Acquisition and Disposition - Schedule of Discontinued Operations (Details)

v3.19.1
Acquisition and Disposition - Schedule of Discontinued Operations (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Jan. 31, 2019
Jan. 31, 2018
Jan. 31, 2019
Jan. 31, 2018
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     $ 248,684 248,684
Loss from discontinued operations $ 3,428 (5,925,640) (5,925,640)
Gain from sale of discontinued operations (7,538) 94,485 94,485
Total loss from discontinued operations $ (4,110) $ (5,831,155) $ (5,831,155)