Quarterly report pursuant to Section 13 or 15(d)

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

v3.8.0.1
Acquisition and Disposition - Schedule of Discontinued Operation (Details) (Parenthetical)
6 Months Ended
Oct. 31, 2017
USD ($)
Business Combinations [Abstract]  
Impairment charge $ 6,094,760