Stock-Based Compensation (Tables)

9 Months Ended

Jan. 31, 2021

Share-based Payment Arrangement, Noncash Expense [Abstract]

Stock-Based Compensation Expense Allocated

For the three and nine-month periods ended January 31, 2021 and 2020, stock-based compensation expense was allocated as follows: 

	Three Months Ended    January 31,				Nine Months Ended    January 31,
(in thousands)	2021		2020		2021		2020
Cost of sales and distribution	$	426	$	224	$	1,134	$	716
Selling and marketing expenses	365		240		698		713
General and administrative expenses	525		583		1,711		1,693
Stock-based compensation expense	$	1,316	$	1,047	$	3,543	$	3,122