SEGMENT REPORTING (Details 1) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Feb. 25, 2017	Feb. 27, 2016	Feb. 25, 2017	Feb. 27, 2016
Net sales		$ 32,313	$ 31,291	$ 99,513	$ 102,448
Gross Profit		10,692	9,750	31,896	31,447
North America [Member]
Net sales		13,607	14,215	40,715	47,039
Gross Profit		5,258	5,163	15,090	16,500
Asia/Pacific [Member]
Net sales		5,916	6,081	20,192	18,045
Gross Profit		2,085	2,094	7,012	5,909
Europe [Member]
Net sales		10,950	9,659	32,418	32,782
Gross Profit		3,764	2,908	10,540	9,763
Latin America [Member]
Net sales		1,792	1,402	6,138	4,464
Gross Profit		643	555	2,337	1,729
Other [Member]
Net sales	[1]	48	(66)	50	118
Gross Profit	[1]	$ (1,058)	$ (970)	$ (3,083)	$ (2,454)

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