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Note 7 - Related Party Transactions (Tables)

9 Months Ended

Jan. 31, 2022

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)		2022				2021				2022				2021
Non-voting revenues interest in EAM		$	4,120			$	4,104			$	12,532			$	11,113
Non-voting profits interest in EAM			535				630				1,820				1,479
		$	4,655			$	4,734			$	14,352			$	12,592

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Schedule of non voting revenues interest and non voting profits interests.

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