Note 7 - Related Party Transactions (Tables)

9 Months Ended

Jan. 31, 2024

Notes Tables

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

	Three Months Ended January 31,				Nine Months Ended January 31,
($ in thousands)	2024		2023		2024		2023
Non-voting revenues interest in EAM	$	3,083	$	2,512	$	8,420	$	7,917
Non-voting profits interest in EAM		406		173		921		599
	$	3,489	$	2,685	$	9,341	$	8,516