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Note 7 - Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Jun. 30, 2020
--- | --- | ---
Amortized intangible assets, gross | $ 86,235 | $ 54,625
Accumulated amortization | 25,564 | 28,087
Amortized intangible assets, net | 60,671 | 26,538
Indefinite-lived intangible assets, gross | 12,102 | 3,422
Total other intangible assets, gross | 98,337 | 58,047
Total other intangible assets, net | 72,773 | 29,960
Trademarks and Trade Names [Member] |  |
Indefinite-lived intangible assets, gross | 12,102 | 3,422
Customer Relationships [Member] |  |
Amortized intangible assets, gross | 62,083 | 35,563
Accumulated amortization | 10,967 | 14,129
Amortized intangible assets, net | 51,116 | 21,434
Patents [Member] |  |
Amortized intangible assets, gross | 268 | 338
Accumulated amortization | 237 | 277
Amortized intangible assets, net | 31 | 61
Technology-Based Intangible Assets [Member] |  |
Amortized intangible assets, gross | 20,966 |
Accumulated amortization | 13,415 |
Amortized intangible assets, net | 7,551 |
LED Technology Firmware Software [Member] |  |
Amortized intangible assets, gross |  | 16,066
Accumulated amortization |  | 12,852
Amortized intangible assets, net |  | 3,214
Trade Names [Member] |  |
Amortized intangible assets, gross | 2,658 | 2,658
Accumulated amortization | 939 | 829
Amortized intangible assets, net | 1,719 | $ 1,829
Noncompete Agreements [Member] |  |
Amortized intangible assets, gross | 260 |
Accumulated amortization | 6 |
Amortized intangible assets, net | $ 254 |

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