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v3.23.2

Note 1 - Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022
Net sales | $ 496,979 | $ 455,120
Lighting Segment [Member] |  |
Net sales | 272,451 | 233,449
Lighting Segment [Member] | LED Lighting, Digital Signage, Electronic Circuit Boards [Member] |  |
Net sales | 224,529 | 191,791
Lighting Segment [Member] | Legacy Products [Member] |  |
Net sales | 44,473 | 39,339
Lighting Segment [Member] | Turnkey Services and Other [Member] |  |
Net sales | 3,449 | 2,319
Display Solutions Segment [Member] |  |
Net sales | 224,528 | 221,671
Display Solutions Segment [Member] | LED Lighting, Digital Signage, Electronic Circuit Boards [Member] |  |
Net sales | 25,011 | 44,771
Display Solutions Segment [Member] | Legacy Products [Member] |  |
Net sales | 156,057 | 136,573
Display Solutions Segment [Member] | Turnkey Services and Other [Member] |  |
Net sales | 43,460 | 40,327
Transferred at Point in Time [Member] | Lighting Segment [Member] |  |
Net sales | 234,736 | 204,241
Transferred at Point in Time [Member] | Display Solutions Segment [Member] |  |
Net sales | 177,564 | 156,241
Transferred over Time [Member] | Lighting Segment [Member] |  |
Net sales | 37,715 | 29,208
Transferred over Time [Member] | Display Solutions Segment [Member] |  |
Net sales | $ 46,964 | $ 65,430

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