7. SEGMENT INFORMATION (Tables)

9 Months Ended

Feb. 28, 2017

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 February 28, 2017:
Net sales	$	546	$	2,017	$	118	$	2,681
Property and equipment, net		808		39		14		861
Nine months ended February 28, 2017:
Net sales	$	5,419	$	6,183	$	613	$	12,215
Property and equipment, net		808		39		14		861
Three months ended February 29, 2016:
Net sales	$	1,235	$	380	$	62	$	1,677
Property and equipment, net		1,200		38		13		1,251
Nine months ended February 29, 2016:
Net sales	$	2,460	$	9,529	$	941	$	12,930
Property and equipment, net		1,200		38		13		1,251