12. OTHER (EXPENSE) INCOME, NET (Details) - USD ($) $ in Thousands	12 Months Ended
	May 31, 2016	May 31, 2015	May 31, 2014
Other Expense Income Net Details
Foreign exchange (loss) gain	$ (19)	$ 194	$ (47)
Other, net	3	17	(17)
Other (expense) income, net	$ (16)	$ 211	$ (64)