XML 46 R33.htm IDEA: XBRL DOCUMENT
v3.23.2

Note 9 - Equity Compensation (Tables) | 12 Months Ended
--- | ---
Jun. 30, 2023
Notes Tables |
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  | Shares |  |  | Weighted Average Exercise Price Average Exercise Price |  |  | Weighted Average Remaining Contractual Term (in years) |  |  | Aggregate Intrinsic Intrinsic Value |
Outstanding at June 30, 2022 |  |  | 2,300,791 |  |  | $ | 6.05 |  |  |  | 5.7 |  |  | $ | 2,287,764 |
Granted |  |  | - |  |  | $ | - |  |  |  |  |  |  |  |  |
Exercised |  |  | (520,566 | ) |  | $ | 7.12 |  |  |  |  |  |  |  |  |
Forfeited |  |  | - |  |  | $ | - |  |  |  |  |  |  |  |  |
Expired |  |  | (73,262 | ) |  | $ | 6.58 |  |  |  |  |  |  |  |  |
Outstanding at June 30, 2023 |  |  | 1,706,963 |  |  | $ | 5.70 |  |  |  | 5.4 |  |  | $ | 11,705,731 |
Exercisable at June 30, 2023 |  |  | 1,616,265 |  |  | $ | 5.64 |  |  |  | 5.3 |  |  | $ | 11,189,810 |
Vested and expected to vest at June 30, 2023 |  |  | 1,711,976 |  |  | $ | 5.71 |  |  |  | 5.4 |  |  | $ | 11,734,827 |
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] |
|  | Shares |  |  | Weighted- Average Grant Date Fair Value |
Unvested at June 30, 2022 |  |  | 249,331 |  |  | $ | 7.49 |
Granted |  |  | 197,915 |  |  | $ | 6.90 |
Vested |  |  | (96,478 | ) |  | $ | 3.82 |
Forfeited |  |  | - |  |  | $ | - |
Unvested at June 30, 2023 |  |  | 350,768 |  |  | $ | 7.34 |
Share-based Payment Arrangement, Performance Stock Units, Activity [Table Text Block] |
|  | Shares |  |  | Weighted- Average Grant Date Fair Value |
Unvested at June 30, 2022 |  |  | 596,567 |  |  | $ | 6.63 |
Granted |  |  | 190,510 |  |  | $ | 6.90 |
Vested |  |  | (200,626 | ) |  | $ | 3.83 |
Forfeited |  |  | - |  |  | $ | - |
Unvested at June 30, 2023 |  |  | 586,451 |  |  | $ | 5.60 |

X
- Definition Tabular disclosure of number and weighted-average grant date fair value for nonvested performance stock units. + References No definition available. + Details
Name: | lyts_ShareBasedPaymentArrangementPerformanceStockUnitsActivityTableTextBlock
Namespace Prefix: | lyts_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
Name: | us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types: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