Stock-Based Compensation (Tables)

3 Months Ended

Jul. 31, 2020

Share-based Payment Arrangement, Noncash Expense [Abstract]

Stock-Based Compensation Expense Allocated

For the three-month periods ended July 31, 2020 and 2019, stock-based compensation expense was allocated as follows: 

	Three Months Ended    July 31,
(in thousands)	2020		2019
Cost of sales and distribution	$	299	$	215
Selling and marketing expenses	(21)		208
General and administrative expenses	683		474
Stock-based compensation expense	$	961	$	897