6. Equity Compensation Plans (Tables)

9 Months Ended

Jan. 31, 2021

Share-based Payment Arrangement [Abstract]

Schedule of stock option activity

The following summarizes our stock option transaction activity for the nine months ended January 31, 2021:

	Stock Options			Grant Date Weighted Average Exercise Price
	(in thousands)
Outstanding at May 1, 2020		2,896		$6.20
Granted		893		$7.43
Exercised		(353	)	$6.18
Canceled or expired		(105	)	$7.20
Outstanding at January 31, 2021		3,331		$6.50

Schedule of RSU activity

The following summarizes our RSUs transaction activity for the nine months ended January 31, 2021:

	Shares			Weighted Average Grant Date Fair Value
	(in thousands)
Outstanding at May 1, 2020		307		$5.23
Granted		355		$7.29
Vested		(86	)	$5.12
Forfeited		(12	)	$5.58
Outstanding at January 31, 2021		564		$6.54

Share-based compensation expense

Stock-based compensation expense for the three and nine months ended January 31, 2021 and 2020 was comprised of the following (in thousands):

	Three Months Ended January 31,				Nine Months Ended January 31,
	2021		2020		2021		2020
Cost of revenues	$	386	$	248	$	1,035	$	679
Selling, general and administrative		613		347		1,719		1,170
Total stock-based compensation	$	999	$	595	$	2,754	$	1,849