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Note 3 - Related Party Transactions (Tables)

12 Months Ended

Apr. 30, 2017

Notes Tables

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

		Fiscal Years Ended April 30,
($ in thousands)		2017				2016				2015
Non-voting revenues interest in EAM		$	7,195			$	7,211			$	7,346
Non-voting profits interest in EAM			519				440				624
		$	7,714			$	7,651			$	7,970

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

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