Note 7 - Related Party Transactions (Tables)

6 Months Ended

Oct. 31, 2023

Notes Tables

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

	Three Months Ended October 31,				Six Months Ended October 31,
($ in thousands)	2023		2022		2023		2022
Non-voting revenues interest in EAM	$	2,721	$	2,623	$	5,337	$	5,405
Non-voting profits interest in EAM		274		193		515		426
	$	2,995	$	2,816	$	5,852	$	5,831