SEGMENT REPORTING (Details 1) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Nov. 28, 2015	Nov. 29, 2014	Nov. 28, 2015		Nov. 29, 2014
Segment Reporting Information [Line Items]
Net sales	$ 34,086	$ 33,841	$ 71,157		$ 68,540
Total, Gross Profit	10,435	10,462	21,697		21,120
North America [Member]
Segment Reporting Information [Line Items]
Net sales	15,032	13,769	32,824		28,468
Total, Gross Profit	5,138	4,847	11,337		10,030
Asia/Pacific [Member]
Segment Reporting Information [Line Items]
Net sales	5,832	5,918	11,964		12,424
Total, Gross Profit	1,859	1,994	3,815		4,113
Europe [Member]
Segment Reporting Information [Line Items]
Net sales	11,765	12,082	23,123		23,131
Total, Gross Profit	3,514	4,028	6,855		7,747
Latin America [Member]
Segment Reporting Information [Line Items]
Net sales	1,455	2,207	3,062		4,528
Total, Gross Profit	549	811	1,174		1,689
Other [Member]
Segment Reporting Information [Line Items]
Net sales	2	(135)	184	[1]	(11)	[1]
Total, Gross Profit	$ (625)	$ (1,218)	$ (1,484)	[1]	$ (2,459)	[1]

[1] Other includes primarily net sales not allocated to a specific geographical region, unabsorbed value-add costs, and other unallocated expenses.