PROPERTY, PLANT AND EQUIPMENT: (Tables)

12 Months Ended

Apr. 30, 2014

Property, Plant and Equipment Disclosure [Abstract]

Property, Plant and Equipment [Table Text Block]

Property, plant and equipment consist of:

	April 30,
	2014		2013
	(in thousands)
Land, buildings and improvements	$	27,935	$	29,500
Furniture and equipment		23,952		23,736
		51,887		53,236
Less accumulated depreciation		(28,068)		(27,950)
	$	23,819	$	25,286