XML 26 R33.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Note 13 - Severance Costs (Tables) | 6 Months Ended
--- | ---
Dec. 31, 2019
Employee Severance [Member] |
Notes Tables |
Schedule of Accrued Severance Liability [Table Text Block] |
|  | Six Months |  |  | Six Months |  |  | Fiscal Year |
|  | Ended |  |  | Ended |  |  | Ended |
|  | December 31, |  |  | December 31, |  |  | June 30, |
(In thousands) |  | 2019 |  |  | 2018 |  |  | 2019 |
Balance at beginning of period |  | $ | 1,134 |  |  | $ | 1,772 |  |  | $ | 1,772 |
Accrual of expense |  |  | 46 |  |  |  | 492 |  |  |  | 560 |
Payments |  |  | (319 | ) |  |  | (549 | ) |  |  | (1,198 | )
Balance at end of period |  | $ | 861 |  |  | $ | 1,715 |  |  | $ | 1,134 |

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

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

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_EmployeeSeveranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |