Stock-based Compensation (Tables)

3 Months Ended

Jul. 31, 2022

Service-based Stock Option

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Summary of Stock Option Activity

The following is a summary of service-based stock option activity during the three months ended July 31, 2022:

	Number of Options Outstanding		Weighted Average Exercise Price		Average Remaining Contractual Life (in years)
Outstanding - April 30, 2022		254,215	$	11.79		4.6
Options granted		—		—		—
Options forfeited		—		—		—
Outstanding - July 31, 2022		254,215	$	11.79		4.4
Non-vested at July 31, 2022		7,766	$	2.90		9.3
Vested at July 31, 2022		246,449	$	12.07		4.2

Performance-based Stock Option

Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]

Summary of Stock Option Activity

The following is a summary of performance-based stock option activity during the three months ended July 31, 2022:

	Number of Options Outstanding		Weighted Average Exercise Price		Average Remaining Contractual Life (in years)
Outstanding - April 30, 2022		581,768	$	5.16		7.8
Options granted		—		—		—
Options forfeited		—		—		—
Outstanding - July 31, 2022		581,768	$	5.16		7.6
Non-vested at July 31, 2022		434,180	$	5.57		7.6
Vested at July 31, 2022		147,588	$	3.97		7.6