Organization, Use of Estimates and Basis of Presentation (Tables)

3 Months Ended

Jul. 31, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of the Calculation of Earnings per Share, Basic and Diluted

For the three months ended July 31, 2017 and 2016, basic and dilutive loss per share were the same, as the potentially dilutive securities did not have a dilutive effect.

	Three Months Ended July 31,
	2017			2016
Basic and diluted net loss per share computation:
Net loss attributable to common stockholders	$	(674,157	)	$	(2,546,449	)
Weighted Average common shares – basic	10,982,159			9,835,279
Basic and diluted net loss per share	$	(0.06	)	$	(0.26	)

Summary of Antidilutive Securities Excluded from Earnings Per Share Calculations

The following table reflects the total potential share-based instruments outstanding at July 31, 2017 and 2016 that could have an effect on the future computation of dilution per common share:

	July 31,
	2017	2016
Stock options	2,501,806	2,154,948
Warrants	2,004,284	2,109,840
Total common stock equivalents	4,506,090	4,264,788