Note 3 - Related Party Transactions (Tables)

12 Months Ended

Apr. 30, 2024

Notes Tables

Schedule of Non Voting Revenues Interest and Non Voting Profits Interests [Table Text Block]

	Fiscal Years Ended April 30,
($ in thousands)	2024		2023		2022
Non-voting revenues interest in EAM	$	11,900	$	10,397	$	15,899
Non-voting profits interest in EAM		1,382		734		2,142
	$	13,282	$	11,131	$	18,041