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Note 7 - Goodwill and Other Intangible Assets (Details) - Goodwill - USD ($) $ in Thousands | Sep. 30, 2015 | Jun. 30, 2015
--- | --- | ---
Goodwill [Line Items] |  |
Goodwill | $ 75,224 | $ 75,224
Accumulated impairment Losses | (64,716) | (64,716)
Net Goodwill | 10,508 | 10,508
Lighting Segment [Member] |  |
Goodwill [Line Items] |  |
Goodwill | 34,913 | 34,913
Accumulated impairment Losses | (34,778) | (34,778)
Net Goodwill | 135 | 135
Graphics Segment [Member] |  |
Goodwill [Line Items] |  |
Goodwill | 28,690 | 28,690
Accumulated impairment Losses | (27,525) | (27,525)
Net Goodwill | 1,165 | 1,165
Technology Segment [Member] |  |
Goodwill [Line Items] |  |
Goodwill | 11,621 | 11,621
Accumulated impairment Losses | (2,413) | (2,413)
Net Goodwill | $ 9,208 | $ 9,208

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a,h) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a,h) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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