Note 5 - Accounts Receivable, Net, Contract Asset and Contract Liability (Tables)

9 Months Ended

Jan. 31, 2023

Notes Tables

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

	January 31,		April 30,
	2023		2022
Accounts Receivable, net	$	4,754	$	3,636
Contract Asset		2,722		1,470
Contract Liability		4,863		820