XML 99 R85.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Note 16 - Related Party Transactions - Expenses From Related Party Transactions (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016
Keating Muething and Klekamp PLL [Member] |  |  |
Related party expenses | $ 161 | $ 526 | $ 207
American Engineering and Metal Working [Member] |  |  |
Related party expenses |  |  | 522
Cost of Freedom, Inc [Member] |  |  |
Related party expenses | 25 |  |
Atlas Melbane Street Properties, LLC [Member] |  |  |
Related party expenses |  | $ 314 |

X
- Definition Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
Name: | us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=lyts_KeatingMuethingAndKlekampPLLMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=lyts_AmericanEngineeringAndMetalWorkingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=lyts_CostOfFreedomIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=lyts_AtlasMelbaneStreetPropertiesLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |