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Note 3 - Segment Reporting Information - Summarized Financial Information by Operating Segments (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2021
Net Sales | $ 128,804 | $ 111,143 | $ 255,873 | $ 217,540
Operating income (loss) | 9,038 | 4,422 | 19,059 | 8,866
Capital expenditures | 561 | 448 | 995 | 745
Depreciation and amortization | 2,419 | 2,538 | 4,840 | 5,101
Corporate and Eliminations [Member] |  |  |  |
Operating income (loss) | (5,478) | (4,038) | (11,111) | (7,682)
Capital expenditures | (52) | 22 | (28) | (82)
Depreciation and amortization | 62 | 72 | 122 | 143
Lighting Segment [Member] |  |  |  |
Net Sales | 66,833 | 57,276 | 134,366 | 108,536
Lighting Segment [Member] | Operating Segments [Member] |  |  |  |
Operating income (loss) | 6,754 | 4,623 | 15,912 | 8,962
Capital expenditures | 74 | 172 | 323 | 352
Depreciation and amortization | 1,382 | 1,450 | 2,769 | 2,911
Display Solutions Segment [Member] |  |  |  |
Net Sales | 61,971 | 53,867 | 121,507 | 109,004
Display Solutions Segment [Member] | Operating Segments [Member] |  |  |  |
Operating income (loss) | 7,762 | 3,837 | 14,258 | 7,586
Capital expenditures | 539 | 254 | 700 | 475
Depreciation and amortization | $ 975 | $ 1,016 | $ 1,949 | $ 2,047

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