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Note 15 - Restructuring Costs - Summary of Restructuring Costs by Segment (Details) $ in Thousands | 12 Months Ended
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Jun. 30, 2017 USD ($)
Restructuring and related costs, incurred cost | $ 412
Corporate, Non-Segment [Member] |
Restructuring and related costs, incurred cost | 125
Lighting Segment [Member] | Operating Segments [Member] |
Restructuring and related costs, incurred cost | (417)
Graphics Segment [Member] | Operating Segments [Member] |
Restructuring and related costs, incurred cost | 452
Technology Segment [Member] | Operating Segments [Member] |
Restructuring and related costs, incurred cost | $ 252

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- Definition Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
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