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Note 3 - Segment Reporting Information (Tables) | 6 Months Ended
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Dec. 31, 2016
Notes Tables |
Schedule of Segment Reporting Information, by Segment [Table Text Block] |
|  | Three Months Ended |  |  | Six Months Ended |
( In thousands) |  | December 31 |  |  | December 31 |
|  | 2016 |  |  | 2015 |  |  | 2016 |  |  | 2015 |
Net Sales: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lighting Segment |  | $ | 60,169 |  |  | $ | 59,601 |  |  | $ | 120,539 |  |  | $ | 118,676 |
Graphics Segment |  |  | 20,582 |  |  |  | 21,206 |  |  |  | 39,476 |  |  |  | 43,536 |
Technology Segment |  |  | 4,907 |  |  |  | 3,880 |  |  |  | 9,802 |  |  |  | 8,400 |
|  | $ | 85,658 |  |  | $ | 84,687 |  |  | $ | 169,817 |  |  | $ | 170,612 |
Operating Income (Loss): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lighting Segment |  | $ | 2,738 |  |  | $ | 5,182 |  |  | $ | 5,529 |  |  | $ | 10,864 |
Graphics Segment |  |  | 1,174 |  |  |  | 1,959 |  |  |  | 2,191 |  |  |  | 4,193 |
Technology Segment |  |  | 924 |  |  |  | 1,069 |  |  |  | 1,652 |  |  |  | 2,336 |
Corporate and Eliminations |  |  | (2,018 | ) |  |  | (2,830 | ) |  |  | (5,488 | ) |  |  | (6,250 | )
|  | $ | 2,818 |  |  | $ | 5,380 |  |  | $ | 3,884 |  |  | $ | 11,143 |
Capital Expenditures: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lighting Segment |  | $ | 183 |  |  | $ | 1,160 |  |  | $ | 1,267 |  |  | $ | 1,849 |
Graphics Segment |  |  | 459 |  |  |  | 604 |  |  |  | 825 |  |  |  | 1,192 |
Technology Segment |  |  | 22 |  |  |  | 108 |  |  |  | 34 |  |  |  | 141 |
Corporate and Eliminations |  |  | 120 |  |  |  | 150 |  |  |  | 618 |  |  |  | 202 |
|  | $ | 784 |  |  | $ | 2,022 |  |  | $ | 2,744 |  |  | $ | 3,384 |
Depreciation and Amortization: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lighting Segment |  | $ | 791 |  |  | $ | 717 |  |  | $ | 1,638 |  |  | $ | 1,422 |
Graphics Segment |  |  | 376 |  |  |  | 237 |  |  |  | 736 |  |  |  | 471 |
Technology Segment |  |  | 324 |  |  |  | 340 |  |  |  | 669 |  |  |  | 676 |
Corporate and Eliminations |  |  | 279 |  |  |  | 304 |  |  |  | 562 |  |  |  | 605 |
|  | $ | 1,770 |  |  | $ | 1,598 |  |  | $ | 3,605 |  |  | $ | 3,174 |
Reconciliation of Assets from Segment to Consolidated [Table Text Block] |
|  | December 31, 2016 |  |  | June 30, 2016 |
Identifiable Assets: |  |  |  |  |  |  |  |
Lighting Segment |  | $ | 91,010 |  |  | $ | 95,168 |
Graphics Segment |  |  | 36,888 |  |  |  | 33,490 |
Technology Segment |  |  | 28,206 |  |  |  | 28,348 |
Corporate and Eliminations |  |  | 39,732 |  |  |  | 38,554 |
|  | $ | 195,836 |  |  | $ | 195,560 |
Reconciliation of Revenue from Segments to Consolidated [Table Text Block] |
|  | Three Months Ended |  |  | Six Months Ended |
|  | December 31 |  |  | December 31 |
(In thousands) |  | 2016 |  |  | 2015 |  |  | 2016 |  |  | 2015 |
Lighting Segment inter-segment net sales |  | $ | 713 |  |  | $ | 814 |  |  | $ | 1,487 |  |  | $ | 1,428 |
Graphics Segment inter-segment net sales |  | $ | 680 |  |  | $ | 562 |  |  | $ | 812 |  |  | $ | 1,006 |
Technology inter-segment net sales |  | $ | 8,346 |  |  | $ | 8,932 |  |  | $ | 17,131 |  |  | $ | 18,316 |

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