Quarterly report pursuant to Section 13 or 15(d)

Discontinued Segments - Schedule of Discontinued Segments (Details) (Parenthetical)

v3.7.0.1
Discontinued Segments - Schedule of Discontinued Segments (Details) (Parenthetical) - USD ($)
3 Months Ended
Jul. 31, 2017
Jul. 31, 2016
Discontinued Operations and Disposal Groups [Abstract]    
Impairment charges $ 6,094,760