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Note 7 - Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Jun. 30, 2024
Notes Tables |
Schedule of Goodwill [Table Text Block] |
(In thousands) |  | Lighting Segment |  |  | Display Solutions Segment |  |  | Total |
Balance as of June 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  | $ | 70,971 |  |  | $ | 63,347 |  |  | $ | 134,318 |
Accumulated impairment losses |  |  | (61,763 | ) |  |  | (27,525 | ) |  |  | (89,288 | )
Goodwill, net as of June 30, 2023 |  | $ | 9,208 |  |  | $ | 35,822 |  |  | $ | 45,030 |
Balance as of June 30, 2024 |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  | $ | 70,971 |  |  | $ | 63,347 |  |  | $ | 134,318 |
Goodwill acquired |  |  | - |  |  |  | 12,367 |  |  |  | 12,367 |
Accumulated impairment losses |  |  | (61,763 | ) |  |  | (27,525 | ) |  |  | (89,288 | )
Goodwill, net as of June 30, 2024 |  | $ | 9,208 |  |  | $ | 48,189 |  |  | $ | 57,397 |
Schedule of Intangible Assets and Goodwill [Table Text Block] |
(In thousands) |  | June 30, 2023 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Amount |
Amortized Intangible Assets |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships |  | $ | 62,083 |  |  | $ | 17,817 |  |  | $ | 44,266 |
Patents |  |  | 268 |  |  |  | 268 |  |  |  | - |
LED technology, software |  |  | 20,966 |  |  |  | 15,783 |  |  |  | 5,183 |
Trade name |  |  | 2,658 |  |  |  | 1,156 |  |  |  | 1,502 |
Non-compete |  |  | 260 |  |  |  | 110 |  |  |  | 150 |
Total Amortized Intangible Assets |  | $ | 86,235 |  |  | $ | 35,134 |  |  | $ | 51,101 |
Indefinite-lived Intangible Assets |  |  |  |  |  |  |  |  |  |  |  |
Trademarks and trade names |  |  | 12,102 |  |  |  | - |  |  |  | 12,102 |
Total indefinite-lived Intangible Assets |  |  | 12,102 |  |  |  | - |  |  |  | 12,102 |
Total Other Intangible Assets |  | $ | 98,337 |  |  | $ | 35,134 |  |  | $ | 63,203 |
(In thousands) |  | June 30, 2024 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Amount |
Amortized Intangible Assets |  |  |  |  |  |  |  |  |  |  |  |
Customer relationships |  | $ | 69,573 |  |  | $ | 21,332 |  |  | $ | 48,241 |
Patents |  |  | 268 |  |  |  | 268 |  |  |  | - |
LED technology, software |  |  | 24,126 |  |  |  | 17,058 |  |  |  | 7,068 |
Trade name |  |  | 2,658 |  |  |  | 1,265 |  |  |  | 1,393 |
Non-compete |  |  | 400 |  |  |  | 168 |  |  |  | 232 |
Total Amortized Intangible Assets |  | $ | 97,025 |  |  | $ | 40,091 |  |  | $ | 56,934 |
Indefinite-lived Intangible Assets |  |  |  |  |  |  |  |  |  |  |  |
Trademarks and trade names |  |  | 16,982 |  |  |  | - |  |  |  | 16,982 |
Total indefinite-lived Intangible Assets |  |  | 16,982 |  |  |  | - |  |  |  | 16,982 |
Total Other Intangible Assets |  | $ | 114,007 |  |  | $ | 40,091 |  |  | $ | 73,916 |
Finite-Lived Intangible Assets Amortization Expense [Table Text Block] |
(In thousands) |  | 2024 |  |  | 2023 |
Amortization expense of other intangible assets |  | $ | 4,957 |  |  | $ | 4,761 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
(In thousands) |  |  |  |
2025 |  | $ | 5,739 |
2026 |  | $ | 5,733 |
2027 |  | $ | 5,512 |
2028 |  | $ | 5,125 |
2029 |  | $ | 4,497 |
After 2029 |  | $ | 30,328 |

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