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SEGMENT AND GEOGRAPHIC INFORMATION (Details) - 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
PMT [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  | 104,226 | 105,554 | 105,748
Gross Profit |  |  |  |  |  |  |  |  | 33,382 | 33,088 | 33,098
Canvys [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  | 20,534 | 23,453 | 24,645
Gross Profit |  |  |  |  |  |  |  |  | 5,752 | 6,017 | 6,457
Healthcare [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  | 12,112 | 13,009 | 6,564
Gross Profit |  |  |  |  |  |  |  |  | $ 4,749 | $ 5,730 | $ 1,583

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- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. + 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 210.5-03.1,2) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition 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 + Details
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