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Note 3 - Segment Reporting Information (Tables) | 3 Months Ended
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Sep. 30, 2015
Segment Reporting [Abstract] |
Schedule of Segment Reporting Information, by Segment [Table Text Block] |
|  | Three Months Ended |
(In thousands) |  | September 30 |
|  | 2015 |  |  | 2014 |
Net Sales: |  |  |  |  |  |  |  |
Lighting Segment |  | $ | 59,075 |  |  | $ | 55,721 |
Graphics Segment |  |  | 21,753 |  |  |  | 16,024 |
Technology Segment |  |  | 5,097 |  |  |  | 6,680 |
All Other Category |  |  | -- |  |  |  | 41 |
|  | $ | 85,925 |  |  | $ | 78,466 |
Operating Income (Loss): |  |  |  |  |  |  |  |
Lighting Segment |  | $ | 5,682 |  |  | $ | 4,227 |
Graphics Segment |  |  | 2,161 |  |  |  | 53 |
Technology Segment |  |  | 1,340 |  |  |  | 632 |
All Other Category |  |  | -- |  |  |  | (183 | )
Corporate and Eliminations |  |  | (3,420 | ) |  |  | (2,195 | )
|  | $ | 5,763 |  |  | $ | 2,534 |
Capital Expenditures: |  |  |  |  |  |  |  |
Lighting Segment |  | $ | 689 |  |  | $ | 582 |
Graphics Segment |  |  | 505 |  |  |  | 334 |
Technology Segment |  |  | 116 |  |  |  | 44 |
All Other Category |  |  | -- |  |  |  | 4 |
Corporate and Eliminations |  |  | 52 |  |  |  | 6 |
|  | $ | 1,362 |  |  | $ | 970 |
Depreciation and Amortization: |  |  |  |  |  |  |  |
Lighting Segment |  | $ | 705 |  |  | $ | 722 |
Graphics Segment |  |  | 215 |  |  |  | 250 |
Technology Segment |  |  | 355 |  |  |  | 338 |
All Other Category |  |  | -- |  |  |  | 31 |
Corporate and Eliminations |  |  | 301 |  |  |  | 245 |
|  | $ | 1,576 |  |  | $ | 1,586 |
Reconciliation of Assets from Segment to Consolidated [Table Text Block] |
|  | September 30, 2015 |  |  | June 30, 2015 |
Identifiable Assets: |  |  |  |  |  |  |  |
Lighting Segment |  | $ | 90,570 |  |  | $ | 90,713 |
Graphics Segment |  |  | 35,920 |  |  |  | 29,477 |
Technology Segment |  |  | 29,568 |  |  |  | 28,423 |
All Other Category |  |  | -- |  |  |  | -- |
Corporate and Eliminations |  |  | 32,350 |  |  |  | 33,766 |
|  | $ | 188,408 |  |  | $ | 182,379 |
Reconciliation of Revenue from Segments to Consolidated [Table Text Block] |
|  | Three Months Ended |
|  | September 30 |
(In thousands) |  | 2015 |  |  | 2014 |
Lighting Segment inter-segment net sales |  | $ | 614 |  |  | $ | 1,052 |
Graphics Segment inter-segment net sales |  | $ | 444 |  |  | $ | 131 |
Technology inter-segment net sales |  | $ | 9,384 |  |  | $ | 7,272 |
All other Category inter-segment net sales |  | $ | -- |  |  | $ | 308 |
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block] |
|  | Three Months Ended |
(In thousands) |  | September 30 |
|  | 2015 |  |  | 2014 |
Net Sales (a): |  |  |  |  |  |  |  |
United States |  | $ | 85,925 |  |  | $ | 78,425 |
Canada |  |  | -- |  |  |  | 41 |
|  | $ | 85,925 |  |  | $ | 78,466 |
Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block] |
|  | September 30, |  |  | June 30, |
|  | 2015 |  |  | 2015 |
Long-lived Assets (b): |  |  |  |  |  |  |  |
United States |  | $ | 45,347 |  |  | $ | 44,965 |
Canada |  |  | -- |  |  |  | -- |
|  | $ | 45,347 |  |  | $ | 44,965 |

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- Definition Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e9038-108599 Reference 2: 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=26872669&loc=d3e20235-122688 + Details
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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8813-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8721-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=51669610&loc=d3e8736-108599 + Details
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