Equity Compensation Plans (Tables)

12 Months Ended

Apr. 30, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of fair value assumptions for options

	Fiscal Year Ended April 30,
	2022		2021
Risk-free interest rate		0.86%		0.32%
Expected life (in years)		4.37		4.69
Expected volatility		68.64%		81.42%
Expected dividend yield		–		–

Schedule of stock option activity

	Stock Options (in thousands)			Grant Date Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (in years)		Aggregate Intrinsic Value(1) (in thousands)
Outstanding at May 1, 2022		2,505		$	6.88
Granted		–			–
Exercised		(366	)	$	7.06
Canceled or expired		(60	)	$	9.89
Outstanding at April 30, 2023		2,079		$	6.76		3.69	$	23,654
Vested and expected to vest		2,079		$	6.76		3.69	$	23,654
Exercisable at April 30, 2023		1,595		$	6.52		3.59	$	18,447

______________

⁽¹⁾ Aggregate intrinsic value represents the difference between the exercise price of an option and the closing market price of our common stock on April 28, 2023 (the last trading day of fiscal year 2023), which was $18.05 per share.

Schedule of RSU activity

	Shares (in thousands)			Weighted Average Grant Date Fair Value
Outstanding at May 1, 2022		642		$	14.89
Granted		780		$	17.63
Vested		(366	)	$	15.09
Forfeited		(50	)	$	17.32
Outstanding at April 30, 2023		1,006		$	16.83

Schedule of PSU activity

	Shares (in thousands)			Weighted Average Grant Date Fair Value
Outstanding at May 1, 2022		233		$	25.31
Granted		608		$	18.09
Vested		(161	)	$	20.75
Forfeited		(158	)	$	20.69
Outstanding at April 30, 2023		522		$	19.70

Schedule of ESPP Fair value assumptions

	Fiscal Year Ended April 30,
	2023		2022		2021
Risk-free interest rate		3.76%		0.15%		0.14%
Expected life (in years)		0.50		0.50		0.50
Expected volatility		68.60%		59.91%		75.50%
Expected dividend yield		–		–		–

Schedule of share-based compensation expense

	Fiscal Year Ended April 30,
	2023		2022		2021
Cost of revenues	$	3,876	$	2,540	$	1,404
Selling, general and administrative expense		7,102		4,840		2,450
Total	$	10,978	$	7,380	$	3,854