SEGMENT AND GEOGRAPHIC INFORMATION (Details 2) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
		May 27, 2017	Feb. 25, 2017	Nov. 26, 2016	Aug. 27, 2016	May 28, 2016	Feb. 27, 2016	Nov. 28, 2015	Aug. 29, 2015	May 27, 2017	May 28, 2016	May 30, 2015
Segment Reporting Information [Line Items]
Net sales		$ 37,359	$ 32,313	$ 33,827	$ 33,373	$ 39,568	$ 31,291	$ 34,086	$ 37,071	$ 136,872	$ 142,016	$ 136,957
Gross Profit		$ 11,987	$ 10,692	$ 10,964	$ 10,240	$ 13,388	$ 9,750	$ 10,435	$ 11,262	43,883	44,835	41,138
North America [Member]
Segment Reporting Information [Line Items]
Net sales										55,963	66,365	59,742
Gross Profit										20,597	23,506	20,352
Asia/Pacific [Member]
Segment Reporting Information [Line Items]
Net sales										27,997	24,564	24,605
Gross Profit										9,630	8,212	7,967
Europe [Member]
Segment Reporting Information [Line Items]
Net sales										44,296	44,634	44,425
Gross Profit										14,418	13,541	14,051
Latin America [Member]
Segment Reporting Information [Line Items]
Net sales										8,552	6,347	8,275
Gross Profit										3,250	2,397	3,082
Other [Member]
Segment Reporting Information [Line Items]
Net sales	[1]									64	106	(90)
Gross Profit	[1]									$ (4,012)	$ (2,821)	$ (4,314)

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