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Note 14 - Severance Costs (Tables) | 12 Months Ended
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Jun. 30, 2023
Notes Tables |
Schedule of Accrued Severance Liability [Table Text Block] |
|  | June 30, |  |  | June 30, |
(In thousands) |  | 2023 |  |  | 2022 |
Balance at beginning of period |  | $ | - |  |  | $ | 13 |
Accrual of expense |  |  | 83 |  |  |  | 13 |
Payments |  |  | (78 | ) |  |  | (26 | )
Balance at end of period |  | $ | 5 |  |  | $ | - |

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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: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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