8. Net Loss per Common Share (Tables)

12 Months Ended

Apr. 30, 2021

Earnings Per Share [Abstract]

Schedule of earnings per share, basic and diluted

A reconciliation of the numerators and the denominators of the basic and dilutive net income (loss) per common share computations are as follows (in thousands, expect per share amounts):

	Fiscal Year Ended April 30,
	2021			2020			2019
Numerator
Net income (loss)	$	11,212		$	(10,466	)	$	(4,215	)
Series E preferred stock accumulated dividends		(4,455	)		(4,686	)		(4,686	)
Impact of Series E preferred stock redemption		(3,439	)		–			–
Net income (loss) attributable to common stockholders	$	3,318		$	(15,152	)	$	(8,901	)
Denominator
Weighted average common shares outstanding, basic		58,222			56,326			55,981
Effect of dilutive securities:
Stock options		909			–			–
RSUs		272			–			–
ESPP		23			–			–
Weighted average common shares outstanding, dilutive		59,426			56,326			55,981
Net income (loss) per share, basic:	$	0.06		$	(0.27	)	$	(0.16	)
Net income (loss) per share, dilutive	$	0.06		$	(0.27	)	$	(0.16	)

Antidilutive shares

The following table presents the potential dilutive securities excluded from the calculation of diluted net income (loss) per share for the periods presented as the effect of their inclusion would have been anti-dilutive (in thousands):

	Fiscal Year Ended April 30,
	2021		2020		2019
Stock options		829		2,795		2,851
RSUs		–		83		68
ESPP		–		7		11
Warrants		–		–		13
Series E Preferred Stock		1,864		1,979		1,979
Convertible senior notes		928		–		–
Total		3,621		4,864		4,922