SEGMENT REPORTING (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Nov. 26, 2016	Nov. 28, 2015	Nov. 26, 2016	Nov. 28, 2015
Segment Reporting Information [Line Items]
Net Sales	$ 33,827	$ 34,086	$ 67,200	$ 71,157
Gross Profit	10,964	10,435	21,204	21,697
PMT [Member]
Segment Reporting Information [Line Items]
Net Sales	25,229	25,162	50,610	52,357
Gross Profit	8,273	7,515	15,728	15,653
Canvys [Member]
Segment Reporting Information [Line Items]
Net Sales	5,439	5,902	10,059	12,583
Gross Profit	1,543	1,526	2,891	3,235
Healthcare [Member]
Segment Reporting Information [Line Items]
Net Sales	3,159	3,022	6,531	6,217
Gross Profit	$ 1,148	$ 1,394	$ 2,585	$ 2,809

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1,2)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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+ References

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