GEOGRAPHICAL INFORMATION - REVENUE (Details) - USD ($) $ in Thousands	12 Months Ended
	May. 31, 2015	May. 31, 2014
Revenues:
North America Revenue	$ 3,223	$ 3,593
Europe Revenue	7	493
Asia Revenue	767	1,557
Eliminations Revenue	(55)	(634)
Consolidated Revenue Total	$ 3,942	$ 5,009