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Note 7 - Related Party Transactions (Tables)

3 Months Ended

Jul. 31, 2019

Notes Tables

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

		Three Months Ended July 31,
($ in thousands)		2019				2018
Non-voting revenues interest in EAM		$	2,588			$	1,968
Non-voting profits interest in EAM			283				303
		$	2,871			$	2,271

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

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