Note 2 - Summary of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Aug. 01, 2015	May. 02, 2015
Land	$ 9,500	$ 9,500
Buildings and improvements	50,535	50,405
Machinery and equipment	158,540	156,702
Total	218,575	216,607
Less accumulated depreciation	(159,039)	(156,425)
Property, plant and equipment – net	$ 59,536	$ 60,182