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Note 3 - Inter-segment Revenues (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Mar. 31, 2016 | Mar. 31, 2015
Intersegment Eliminations [Member] | Lighting Segment [Member] |  |  |  |  |
Net Sales |  | $ 715 | $ 2,143 | $ 533 | $ 2,030
Intersegment Eliminations [Member] | Graphics Segment [Member] |  |  |  |  |
Net Sales |  | 275 | 1,281 | 132 | 388
Intersegment Eliminations [Member] | Technology Segment [Member] |  |  |  |  |
Net Sales |  | $ 8,920 | $ 27,236 | $ 6,788 | 21,735
Intersegment Eliminations [Member] | All Other Category [Member] |  |  |  |  |
Net Sales |  |  |  |  | 308
Lighting Segment [Member] |  |  |  |  |
Net Sales |  | $ 49,331 | $ 48,865 | $ 168,007 | 164,382
Graphics Segment [Member] |  |  |  |  |
Net Sales |  | 17,162 | 13,363 | 59,949 | 49,656
Technology Segment [Member] |  |  |  |  |
Net Sales |  | $ 4,247 | $ 6,375 | $ 13,396 | 17,705
All Other Category [Member] |  |  |  |  |
Net Sales |  |  |  |  | 41
Net Sales | [1] | $ 70,740 | $ 68,603 | $ 241,352 | $ 231,784
[1] | Net sales are attributed to geographic areas based upon the location of the operation making the sale.

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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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