Stock-Based Compensation (Tables)

3 Months Ended

Jul. 31, 2021

Share-based Payment Arrangement, Noncash Expense [Abstract]

Stock-Based Compensation Expense Allocated

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

	Three Months Ended    July 31,
(in thousands)	2021		2020
Cost of sales and distribution	$	349	$	299
Selling and marketing expenses	319		(21)
General and administrative expenses	509		683
Stock-based compensation expense	$	1,177	$	961