Note 6 - Inventories, Net (Tables)

12 Months Ended

May 31, 2016

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	As of May 31
	2016		2015
Raw materials and supplies	$	11,840		10,816
Work in process		11,944		9,197
Finished goods		23,110		21,834
Total inventories, net	$	46,894		41,847