7. SEGMENT INFORMATION (Tables)

6 Months Ended

Nov. 30, 2015

Segment Reporting [Abstract]

Company's operations in different geographic areas

    The following presents information about the Company’s operations in different geographic areas.  Net sales are based upon ship-to location (in thousands).

	United
	States		Asia		Europe		Total
Three months ended November 30, 2015:
Net sales	$	507	$	3,768	$	345	$	4,620
Property and equipment, net		530		33		13		576
Six months ended November 30, 2015:
Net sales	$	1,225	$	9,149	$	879	$	11,253
Property and equipment, net		530		33		13		576
Three months ended November 30, 2014:
Net sales	$	707	$	1,780	$	128	$	2,615
Property and equipment, net		488		35		15		538
Six months ended November 30, 2014:
Net sales	$	2,370	$	2,866	$	937	$	6,173
Property and equipment, net		488		35		15		538