7. SEGMENT INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Aug. 31, 2014	Aug. 31, 2013	May 31, 2014
Net sales	$ 3,558	$ 3,752
Property and equipment, net	492	246	474	[1]
US
Net sales	1,663	1,338
Property and equipment, net	435	202
Asia
Net sales	1,086	2,316
Property and equipment, net	40	44
Europe
Net sales	809	98
Property and equipment, net	$ 17	$ 0

[1] The condensed consolidated balance sheet at May 31, 2014 has been derived from the audited consolidated financial statements at that date.