SEGMENT AND GEOGRAPHIC INFORMATION (Details 2) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
		Jun. 02, 2018	Mar. 03, 2018	Dec. 02, 2017	Sep. 02, 2017	May 27, 2017	Feb. 25, 2017	Nov. 26, 2016	Aug. 27, 2016	Jun. 02, 2018	May 27, 2017	May 28, 2016
Segment Reporting Information [Line Items]
Net sales		$ 45,490	$ 41,645	$ 39,082	$ 36,995	$ 37,359	$ 32,313	$ 33,827	$ 33,373	$ 163,212	$ 136,872	$ 142,016
Gross Profit		$ 15,493	$ 14,067	$ 13,374	$ 12,148	$ 11,987	$ 10,692	$ 10,964	$ 10,240	55,082	43,883	44,835
North America [Member]
Segment Reporting Information [Line Items]
Net sales										67,662	55,963	66,365
Gross Profit										25,996	20,597	23,506
Asia/Pacific [Member]
Segment Reporting Information [Line Items]
Net sales										32,607	27,997	24,564
Gross Profit										10,794	9,630	8,212
Europe [Member]
Segment Reporting Information [Line Items]
Net sales										53,818	44,296	44,634
Gross Profit										18,071	14,418	13,541
Latin America [Member]
Segment Reporting Information [Line Items]
Net sales										9,123	8,552	6,347
Gross Profit										3,602	3,250	2,397
Other [Member]
Segment Reporting Information [Line Items]
Net sales	[1]									2	64	106
Gross Profit	[1]									$ (3,381)	$ (4,012)	$ (2,821)

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