Net Loss Per Common Share (Tables)

3 Months Ended

Jul. 31, 2017

Earnings Per Share [Abstract]

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

	July 31, 2017		July 31, 2016
Common stock equivalents:
Stock options		231,458		231,458
Stock warrants		485,771		-
Convertible preferred stock		818,180		7,847,257
Total		1,535,409		8,078,715