v3.26.1
Note 5 - Segment Reporting Information - Summarized Financial Information by Operating Segments (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Sep. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Sep. 30, 2024
Mar. 31, 2026
Mar. 31, 2025
Net sales $ 150,525     $ 132,481     $ 454,776 $ 418,310
Interest expense (474)     (661)     (1,794) (2,264)
Long-term performance based compensation (597)     (879)     (2,264) (3,039)
Amortization expense on acquired intangible assets (1,377)     (1,128)     (3,653) (3,260)
Restructuring / severance costs (19)     0     35 (45)
Acquisition costs (4,898)     (577)     (5,205) (627)
Lease expense on the step-up basis of acquired leases (241)     (52)     (340) (155)
Foreign currency transaction loss on intercompany loan 147           (207)  
Tax rate difference between reported and adjusted net income (523)     188     (430) 1,093
Net income 2,091 $ 6,348 $ 7,264 3,883 $ 5,647 $ 6,682 15,703 16,212
Consulting expense: commercial growth initiatives       0       (62)
Capital expenditures 707     690     3,358 2,515
Income tax expense 1,267     1,713     5,745 5,049
Depreciation and amortization 3,392     3,061     9,820 9,020
Operating and Intersegment [Member]                
Net sales 150,525     132,481     454,776 418,310
Lighting Segment [Member]                
Net sales 60,038     58,967     195,764 175,614
Lighting Segment [Member] | Operating and Intersegment [Member]                
Net sales 60,038     58,968     195,764 175,613
Display Solutions Segment [Member]                
Net sales 90,487     73,514     259,012 242,696
Display Solutions Segment [Member] | Operating and Intersegment [Member]                
Net sales 90,487     73,513     259,012 242,697
Operating Segments [Member]                
Net sales 153,490     136,098     464,778 434,268
Other segment items * (136,559)     (120,662)     (414,190) (384,152)
Adjusted net income 13,966     11,819     40,586 34,158
Capital expenditures 741     604     3,290 2,401
Income tax expense 3,446     3,055     10,847 10,401
Depreciation and amortization 3,291     2,977     9,519 8,762
Operating Segments [Member] | Lighting Segment [Member]                
Net sales 62,860     62,302     205,080 190,984
Other segment items * (53,637)     (53,196)     (175,802) (159,677)
Adjusted net income 6,401     5,772     19,962 15,936
Capital expenditures 490     246     1,228 1,467
Income tax expense 1,201     2,063     5,147 5,103
Depreciation and amortization 1,279     1,284     3,816 3,778
Operating Segments [Member] | Display Solutions Segment [Member]                
Net sales 90,630     73,796     259,698 243,284
Other segment items * (82,922)     (67,466)     (238,388) (224,475)
Adjusted net income 7,565     6,047     20,624 18,222
Capital expenditures 251     358     2,062 934
Income tax expense 2,245     992     5,700 5,298
Depreciation and amortization 2,012     1,693     5,703 4,984
Intersegment Eliminations [Member]                
Net sales (2,965)     (3,617)     (10,002) (15,958)
Intersegment Eliminations [Member] | Lighting Segment [Member]                
Net sales (2,822)     (3,334)     (9,316) (15,371)
Intersegment Eliminations [Member] | Display Solutions Segment [Member]                
Net sales (143)     (283)     (686) (587)
Corporate and Eliminations [Member]                
Capital expenditures (34)     86     68 114
Income tax expense (2,179)     (1,342)     (5,102) (5,352)
Depreciation and amortization 101     84     301 258
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]                
Adjusted net income $ (3,893)     $ (4,827)     $ (11,025) $ (9,587)