Significant Accounting Policies (Tables)

9 Months Ended

Jan. 31, 2019

Accounting Policies [Abstract]

Schedule of Cash and Restricted Cash

Cash and restricted cash consists of the following (table in thousands):

	January 31, 2019		April 30, 2018
	(unaudited)
Cash	$	3,310	$	856
Restricted cash	—		150
Total cash and restricted cash shown in the statement of cash flows	$	3,310	$	1,006

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

	Three Months Ended January 31,						Nine Months Ended January 31,
	2019			2018			2019		2018
Basic and diluted net loss per share computation (dollars in thousands):
Net income (loss) attributable to common stockholders	$	(369	)	$	(76	)	$	381	$	(844	)
Weighted Average common shares – basic	11,508,180			10,994,434			11,257,314		10,987,797
Basic net income (loss) per share	$	(0.03	)	$	(0.01	)	$	0.03	$	(0.08	)
Diluted income (loss) per share computation:
Net income (loss) attributable to common stockholders	$	(369	)	$	(76	)	$	381	$	(844	)
Income (loss) available to common stockholders	$	(369	)	$	(76	)	$	381	$	(844	)
Weighted Average common shares	11,508,180			10,994,434			11,257,314		10,987,797
Incremental shares from assumed exercise of warrants and stock options	—			—			2,651,749		—
Adjusted weighted average share – diluted	11,508,180			10,994,434			13,909,063		10,987,797
Diluted net income (loss) per share	$	(0.03	)	$	(0.01	)	$	0.03	$	(0.08	)

Summary of Antidilutive Securities Excluded from Earnings Per Share Calculations

The following table reflects the total potential share-based instruments outstanding at January 31, 2019 and 2018 that could have an effect on the future computation of dilution per common share:

	January 31,
	2019	2018
Stock options	2,490,168	2,518,845
Warrants	1,671,440	2,004,284
Total common stock equivalents	4,161,608	4,523,129