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Note 14 - Severance Costs (Tables) | 12 Months Ended
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Jun. 30, 2016
Employee Severance [Member] |
Notes Tables |
Schedule of Accrued Severance Liability [Table Text Block] |
|  | Fiscal |  |  | Fiscal |
|  | Year Ended |  |  | Year Ended |
(In thousands) |  | June 30 , |  |  | June 30, |
|  | 2016 |  |  | 2015 |
Balance at beginning of the period |  | $ | 379 |  |  | $ | -- |
Accrual of expense |  |  | 469 |  |  |  | 1,718 |
Payments |  |  | (742 | ) |  |  | (704 | )
Adjustments |  |  | (67 | ) |  |  | (635 | )
Balance at end of the period |  | $ | 39 |  |  | $ | 379 |

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- Definition The tabular disclosure of the accrued severance liabilities. + References No definition available. + Details
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Namespace Prefix: | lyts_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |