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Note 3 - Summarized Financial Information by Reportable Business Segments (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Mar. 31, 2016 | Mar. 31, 2015
Lighting Segment [Member] |  |  |  |  |
Net Sales: |  |  |  |  |
Net Sales |  | $ 49,331 | $ 48,865 | $ 168,007 | $ 164,382
Operating Income (Loss): |  |  |  |  |
Operating Income (Loss) |  | 1,106 | 2,913 | 11,970 | 11,230
Capital Expenditures: |  |  |  |  |
Capital Expenditures |  | 1,074 | 319 | 2,923 | 1,529
Depreciation and Amortization: |  |  |  |  |
Depreciation and Amortization |  | 730 | 778 | 2,152 | 2,229
Graphics Segment [Member] |  |  |  |  |
Net Sales: |  |  |  |  |
Net Sales |  | 17,162 | 13,363 | 59,949 | 49,656
Operating Income (Loss): |  |  |  |  |
Operating Income (Loss) |  | 1,174 | (320) | 5,370 | 798
Capital Expenditures: |  |  |  |  |
Capital Expenditures |  | 2,145 | 29 | 3,254 | 935
Depreciation and Amortization: |  |  |  |  |
Depreciation and Amortization |  | 293 | 262 | 721 | 768
Technology Segment [Member] |  |  |  |  |
Net Sales: |  |  |  |  |
Net Sales |  | 4,247 | 6,375 | 13,396 | 17,705
Operating Income (Loss): |  |  |  |  |
Operating Income (Loss) |  | 888 | 855 | 3,221 | 1,986
Capital Expenditures: |  |  |  |  |
Capital Expenditures |  | 1,626 | 97 | 1,850 | 448
Depreciation and Amortization: |  |  |  |  |
Depreciation and Amortization |  | $ 392 | $ 281 | $ 1,111 | 944
All Other Category [Member] |  |  |  |  |
Net Sales: |  |  |  |  |
Net Sales |  |  |  |  | 41
Operating Income (Loss): |  |  |  |  |
Operating Income (Loss) |  |  |  |  | (183)
Capital Expenditures: |  |  |  |  |
Capital Expenditures |  |  |  |  | 4
Depreciation and Amortization: |  |  |  |  |
Depreciation and Amortization |  |  |  |  | 31
Corporate and Eliminations [Member] |  |  |  |  |
Operating Income (Loss): |  |  |  |  |
Operating Income (Loss) |  | $ (2,436) | $ (2,866) | $ (8,686) | (8,491)
Capital Expenditures: |  |  |  |  |
Capital Expenditures |  | 181 | 437 | 383 | 523
Depreciation and Amortization: |  |  |  |  |
Depreciation and Amortization |  | 314 | 269 | 919 | 756
Net Sales | [1] | 70,740 | 68,603 | 241,352 | 231,784
Operating Income (Loss) |  | 732 | 582 | 11,875 | 5,340
Capital Expenditures |  | 5,026 | 882 | 8,410 | 3,439
Depreciation and Amortization |  | $ 1,729 | $ 1,590 | $ 4,903 | $ 4,728
[1] | Net sales are attributed to geographic areas based upon the location of the operation making the sale.

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