Note 5 - Inventories, Net

3 Months Ended

Aug. 31, 2015

Inventory Disclosure [Abstract]

Inventory Disclosure [Text Block]

5. INVENTORIES, net

Inventories, net are stated at the lower of cost (first-in, first-out basis) or market (net realizable value). Inventories, net consist of the following (in thousands):

	As of
	August 31, 2015		May 31, 2015
Raw materials and supplies	$	14,171		10,816
Work in process		8,795		9,197
Finished goods		25,487		21,834
	$	48,453		41,847