Note 7 - Goodwill and Other Intangible Assets - Goodwill (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Jun. 30, 2020
Goodwill	$ 115,401
Accumulated impairment losses	(105,028)
Goodwill, net	10,373	$ 10,373
Lighting Segment [Member]
Goodwill	86,711
Accumulated impairment losses	(77,503)
Goodwill, net	9,208
Graphics Segment [Member]
Goodwill	28,690
Accumulated impairment losses	(27,525)
Goodwill, net	$ 1,165

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.

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-Publisher FASB
-Name Accounting Standards Codification
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