8. SEGMENT INFORMATION (Tables)

9 Months Ended

Feb. 28, 2018

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, 2018:
Net sales	$	1,493	$	4,974	$	926	$	7,393
Property and equipment, net		1,155		41		9		1,205
Nine months ended February 28, 2018:
Net sales	$	4,747	$	16,543	$	996	$	22,286
Property and equipment, net		1,155		41		9		1,205
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