PROPERTY, PLANT AND EQUIPMENT (Tables)

3 Months Ended

Jul. 31, 2017

Property, Plant and Equipment Disclosure [Abstract]

Property, Plant and Equipment [Table Text Block]

	July 31,		April 30,
	2017		2017
	(in thousands)
Land, buildings and improvements	$	15,936	$	15,995
Furniture and equipment		18,315		18,350
		34,251		34,345
Less accumulated depreciation		(23,710)		(23,493)
	$	10,541	$	10,852