Note 2 - Property, Plant and Equipment (Tables)

12 Months Ended

Apr. 30, 2016

Notes Tables

Property, Plant and Equipment [Table Text Block]

	(In thousands)
	2016			2015
Land	$	9,500		$	9,500
Buildings and improvements		50,856			50,405
Machinery and equipment		162,195			156,702
Total		222,551			216,607
Less accumulated depreciation		(160,619	)		(156,425	)
Property, plant and equipment – net	$	61,932		$	60,182