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Note 3 - Segment Reporting Information - Inter-segment Revenues (Details) - USD ($) $ in Thousands | 3 Months Ended
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Sep. 30, 2016 | Sep. 30, 2015
Intersegment Eliminations [Member] | Lighting Segment [Member] |  |
Net Sales | $ 774 | $ 614
Intersegment Eliminations [Member] | Graphics Segment [Member] |  |
Net Sales | 132 | 444
Intersegment Eliminations [Member] | Technology Segment [Member] |  |
Net Sales | 8,785 | 9,384
Lighting Segment [Member] |  |
Net Sales | 60,370 | 59,075
Graphics Segment [Member] |  |
Net Sales | 18,894 | 22,330
Technology Segment [Member] |  |
Net Sales | 4,895 | 4,520
Net Sales | $ 84,159 | $ 85,925

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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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- Details
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