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Note 4 - Business Segment Information - Summarized Financial Information by Operating Segments (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024
Net Sales | $ 157,249 | $ 138,095
Capital expenditures | 967 | 759
Operating income | 10,972 | 9,131
Long-term performance based compensation | 1,282 | 1,184
Depreciation and amortization | 3,200 | 2,940
Severance costs and restructuring costs | (71) | 60
Amortization expense of acquired intangible assets | 1,554 | 1,408
Acquisition costs | 220 | 48
Business Combination, Acquisition-Related Cost, Expense | 220 | 48
Expense on step-up basis of acquired assets | 68 | 67
Consulting expense: commercial growth initiatives | 14,027 | 11,898
Adjusted operating income | 1,646 | 1,532
Depreciation Expense | 15,671 | 13,430
Lighting Segment [Member] |  |
Net Sales | 69,054 | 58,437
Display Solutions Segment [Member] |  |
Net Sales | 88,195 | 79,658
Operating Segments [Member] | Lighting Segment [Member] |  |
Net Sales | 69,054 | 58,437
Capital expenditures | 289 | 712
Operating income | 8,549 | 5,759
Long-term performance based compensation | 109 | 69
Depreciation and amortization | 1,262 | 1,212
Severance costs and restructuring costs | 18 | 60
Amortization expense of acquired intangible assets | 603 | 603
Acquisition costs | 0 | 0
Business Combination, Acquisition-Related Cost, Expense | 0 | 0
Expense on step-up basis of acquired assets | 0 | 0
Consulting expense: commercial growth initiatives | 9,279 | 6,491
Adjusted operating income | 673 | 644
Depreciation Expense | 9,952 | 7,135
Operating Segments [Member] | Display Solutions Segment [Member] |  |
Net Sales | 88,195 | 79,658
Capital expenditures | 611 | 47
Operating income | 8,592 | 7,708
Long-term performance based compensation | 215 | 285
Depreciation and amortization | 1,841 | 1,635
Severance costs and restructuring costs | (90) | 0
Amortization expense of acquired intangible assets | 951 | 805
Acquisition costs | 0 | 0
Business Combination, Acquisition-Related Cost, Expense | 0 | 0
Expense on step-up basis of acquired assets | 68 | 67
Consulting expense: commercial growth initiatives | 9,738 | 8,865
Adjusted operating income | 888 | 847
Depreciation Expense | 10,624 | 9,712
Corporate and Eliminations [Member] |  |
Net Sales | 0 | 0
Capital expenditures | 67 | 0
Operating income | (6,169) | (4,336)
Long-term performance based compensation | 958 | 830
Depreciation and amortization | 97 | 93
Severance costs and restructuring costs | 1 | 0
Amortization expense of acquired intangible assets | 0 | 0
Acquisition costs | 220 | 48
Business Combination, Acquisition-Related Cost, Expense | 220 | 48
Expense on step-up basis of acquired assets | 0 | 0
Consulting expense: commercial growth initiatives | (4,990) | (3,458)
Adjusted operating income | 85 | 41
Depreciation Expense | $ (4,905) | $ (3,417)

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