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Note 9 - Cash Dividends (Details Textual) - USD ($) $ / shares in Units, $ in Millions |  | 6 Months Ended
--- | --- | ---
Jan. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Payments of Dividends, Total |  | $ 2.8 | $ 2.7
Annual Indicated per Share Dividend Rate |  | $ 0.2 |
Subsequent Event [Member] |  |  |
Quarterly Indicated Per Share Dividend Rate | $ 0.05 |  |
Dividends Payable, Date to be Paid | Feb. 13, 2024 |  |
Dividends Payable, Date of Record | Feb. 05, 2024 |  |

X
- Definition The indicated per share dividend rate for a specific fiscal year. + References No definition available. + Details
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Namespace Prefix: | lyts_
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Balance Type: | na
Period Type: | instant

X
- Definition The indicated per share quarterly cash dividend rate. + References No definition available. + Details
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Namespace Prefix: | lyts_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

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- Definition Date the declared dividend will be paid, in YYYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482913/230-10-50-3 + Details
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X
- Definition Date the holder must own the stock to be entitled to the dividend, in YYYY-MM-DD format. + References No definition available. + Details
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X
- Definition Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-15 + Details
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X
- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |