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Note 7 - Goodwill and Other Intangible Assets - Goodwill (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020
Goodwill | $ 99,661 | $ 115,401
Accumulated impairment losses | (89,288) | (105,028)
Goodwill | 43,788 | 10,373
Goodwill acquired | 33,415 |
Lighting Segment [Member] |  |
Goodwill | 70,971 | 86,711
Accumulated impairment losses | (61,763) | (77,503)
Goodwill | 9,208 | 9,208
Goodwill acquired | 0 |
Display Solutions Segment [Member] |  |
Goodwill | 28,690 | 28,690
Accumulated impairment losses | (27,525) | (27,525)
Goodwill | 34,580 | $ 1,165
Goodwill acquired | $ 33,415 |

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