Stock-Based Compensation (Tables)

3 Months Ended

Jul. 31, 2019

Share-based Compensation [Abstract]

Stock-Based Compensation Expense Allocated

For the three-month periods ended July 31, 2019 and 2018, stock-based compensation expense was allocated as follows: 

	Three Months Ended   July 31,
(in thousands)	2019		2018
Cost of sales and distribution	$	215	$	159
Selling and marketing expenses	208		168
General and administrative expenses	474		459
Stock-based compensation expense	$	897	$	786