Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Common Share - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details)

v3.8.0.1
Net Loss Per Common Share - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares
6 Months Ended
Oct. 31, 2017
Oct. 31, 2016
Total 1,167,232 10,805,061
Stock Option [Member]    
Total 231,458 231,458
Stock Warrant [Member]    
Total 485,774
Convertible Preferred Stock [Member]    
Total 450,000 10,573,603