Significant Accounting Policies (Tables)

3 Months Ended

Jul. 31, 2019

Accounting Policies [Abstract]

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

	Three Months Ended July 31,
	2019			2018
Basic and diluted net (loss) income per share computation (dollars in thousands):
Net (loss) income attributable to common stockholders	$	(641	)	$	482
Weighted Average common shares – basic	11,619,538			11,012,281
Basic net (loss) income per share	$	(0.06	)	$	0.04
Diluted (loss) income per share computation:
Net (loss) income attributable to common stockholders	$	(641	)	$	482
(Loss) income available to common stockholders	$	(641	)	$	482
Weighted Average common shares	11,619,538			11,012,281
Incremental shares from assumed exercise of warrants and stock options	—			1,605,740
Adjusted weighted average share – diluted	11,619,538			12,618,021
Diluted net (loss) income per share	$	(0.06	)	$	0.04

Summary of Antidilutive Securities Excluded from Earnings Per Share Calculations

The following table reflects the total potential share-based instruments outstanding at July 31, 2019 and 2018 that could have an effect on the future computation of dilution per common share, had their effect not been anti-dilutive:

	July 31,
	2019	2018
Stock options	2,374,875	2,687,095
Warrants	1,669,773	2,004,284
Total common stock equivalents	4,044,648	4,691,379