Note 3 - Accounts Receivable, Net, Contract Asset and Contract Liability (Tables)

12 Months Ended

Apr. 30, 2023

Notes Tables

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

	2023		2022
Accounts Receivable, net	$	3,793	$	3,636
Contract Asset		1,893		1,470
Contract Liability		6,031		820