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

3 Months Ended

Jul. 31, 2022

Notes Tables

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

	July 31,		April 30,
	2022		2022
Accounts Receivable, net	$	3,615	$	3,636
Contract Asset		1,144		1,470
Contract Liability		4,164		820