| Segment Reporting [Table Text Block] |
(In thousands) | | Three Months Ended | |
| | September 30, 2026 | |
| | | | | | | | | | Segment | |
| | Lighting | | | Display | | | Total | |
Total sales | | $ | 68,280 | | | $ | 162,252 | | | $ | 230,532 | |
Inter-segment sales | | | (3,457 | ) | | | (1,220 | ) | | | (4,677 | ) |
Net sales | | | 64,823 | | | | 161,032 | | | | 225,855 | |
| | | | | | | | | | | | |
Other segment items * | | | (58,172 | ) | | | (148,099 | ) | | | (206,271 | ) |
| | | | | | | | | | | | |
Adjusted net income | | | 6,651 | | | | 12,933 | | | | 19,584 | |
| | | | | | | | | | | | |
Unallocated corporate expenses | | | | | | | | | | | (4,122 | ) |
Interest expense | | | | | | | | | | | (3,860 | ) |
Long-term performance based compensation | | | | | | | | | | | (787 | ) |
Amortization expense on acquired intangible assets | | | | | | | | | | | (2,853 | ) |
Restructuring / severance costs | | | | | | | | | | | (10 | ) |
Acquisition costs | | | | | | | | | | | (189 | ) |
Lease expense on the step-up basis of acquired leases | | | | | | | | | | | (114 | ) |
Foreign currency transaction loss on intercompany loan | | | | | | | | | | | (14 | ) |
Tax rate difference between reported and adjusted net income | | | | | | | | | | | (508 | ) |
| | | | | | | | | | | | |
Net income | | | | | | | | | | $ | 7,127 | |
(In thousands) | | Three Months Ended | |
| | September 30, 2025 | |
| | | | | | | | | | Segment | |
| | Lighting | | | Display | | | Total | |
Total sales | | $ | 72,299 | | | $ | 88,309 | | | $ | 160,608 | |
Inter-segment sales | | | (3,245 | ) | | | (114 | ) | | | (3,359 | ) |
Net sales | | | 69,054 | | | | 88,195 | | | | 157,249 | |
| | | | | | | | | | | | |
Other segment items * | | | (61,939 | ) | | | (80,878 | ) | | | (142,817 | ) |
| | | | | | | | | | | | |
Adjusted net income | | | 7,115 | | | | 7,317 | | | | 14,432 | |
| | | | | | | | | | | | |
Unallocated corporate expenses | | | | | | | | | | | (3,954 | ) |
Interest expense | | | | | | | | | | | (747 | ) |
Long-term performance based compensation | | | | | | | | | | | (954 | ) |
Amortization expense on acquired intangible assets | | | | | | | | | | | (1,117 | ) |
Restructuring / severance costs | | | | | | | | | | | 53 | |
Acquisition costs | | | | | | | | | | | (165 | ) |
Lease expense on the step-up basis of acquired leases | | | | | | | | | | | (51 | ) |
Foreign currency transaction loss on intercompany loan | | | | | | | | | | | (326 | ) |
Tax rate difference between reported and adjusted net income | | | | | | | | | | | 93 | |
| | | | | | | | | | | | |
Net income | | | | | | | | | | $ | 7,264 | |
(In thousands) | | Three Months Ended | |
| | September 30, | |
| | 2026 | | | 2025 | |
Capital Expenditures: | | | | | | | | |
Lighting Segment | | $ | 819 | | | $ | 289 | |
Display Solutions Segment | | | 587 | | | | 611 | |
| | $ | 1,406 | | | $ | 900 | |
| | | | | | | | |
Total segment capital expenditures | | $ | 1,406 | | | $ | 900 | |
Other unallocated capital expenditures | | | 38 | | | | 67 | |
Consolidated capital expenditures | | $ | 1,444 | | | $ | 967 | |
| | | | | | | | |
Income Tax Expense: | | | | | | | | |
Lighting Segment | | $ | 1,579 | | | $ | 2,163 | |
Display Solutions Segment | | | 2,772 | | | | 2,110 | |
| | $ | 4,351 | | | $ | 4,273 | |
| | | | | | | | |
Total segment income tax expense | | $ | 4,351 | | | $ | 4,273 | |
Other unallocated income tax (credit) | | | (1,292 | ) | | | (1,842 | ) |
Consolidated income tax expense | | $ | 3,059 | | | $ | 2,431 | |
| | | | | | | | |
Depreciation and Amortization: | | | | | | | | |
Lighting Segment | | $ | 1,243 | | | $ | 1,262 | |
Display Solutions Segment | | | 5,199 | | | | 1,841 | |
| | $ | 6,442 | | | $ | 3,103 | |
| | | | | | | | |
Total segment depreciation and amortization | | $ | 6,442 | | | $ | 3,103 | |
Other unallocated depreciation and amortization | | | 98 | | | | 97 | |
Consolidated depreciation and amortization | | $ | 6,540 | | | $ | 3,200 | |
|
| Segment Reporting, Reconciliation of Asset by Segment to Consolidated [Table Text Block] |
| | September 30, 2026 | | | June 30, 2026 | |
Identifiable Assets: | | | | | | | | |
Lighting Segment | | $ | 136,653 | | | $ | 139,921 | |
Display Solutions Segment | | | 669,675 | | | | 675,628 | |
| | $ | 806,328 | | | $ | 815,549 | |
| | | | | | | | |
Total Segment assets | | $ | 806,328 | | | $ | 815,549 | |
Corporate and Eliminations | | | 6,830 | | | | 14,315 | |
Consolidated assets | | $ | 813,158 | | | $ | 829,864 | |
|