Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-22-002499-index-headers.html | 2022-02-04 16:05:43 | |
| 0001437749-22-002499-index.html | 2022-02-04 16:05:43 | |
| 0001437749-22-002499.txt | 2022-02-04 16:05:43 | |
 0001437749-22-002499-xbrl.zip | 197284 | 2022-02-04 16:05:43 |
| ex_330486.htm | 27443 | 2022-02-04 16:05:43 |
| ex_330487.htm | 41132 | 2022-02-04 16:05:43 |
| ex_330488.htm | 27290 | 2022-02-04 16:05:43 |
| ex_330489.htm | 36903 | 2022-02-04 16:05:43 |
| ex_330490.htm | 60921 | 2022-02-04 16:05:43 |
| ex_330497.htm | 5761 | 2022-02-04 16:05:43 |
| ex_330498.htm | 5926 | 2022-02-04 16:05:43 |
| ex_330499.htm | 9192 | 2022-02-04 16:05:43 |
| ex_330500.htm | 9250 | 2022-02-04 16:05:43 |
| FilingSummary.xml | 45073 | 2022-02-04 16:05:43 |
| Financial_Report.xlsx | 82443 | 2022-02-04 16:05:43 |
 image01.jpg | 6691 | 2022-02-04 16:05:43 |
| lyts-20211231.xsd | 67352 | 2022-02-04 16:05:43 |
| lyts-20211231_cal.xml | 79060 | 2022-02-04 16:05:43 |
| lyts-20211231_def.xml | 433273 | 2022-02-04 16:05:43 |
| lyts-20211231_lab.xml | 386020 | 2022-02-04 16:05:43 |
| lyts-20211231_pre.xml | 469595 | 2022-02-04 16:05:43 |
| lyts20211231_10q.htm | 1478046 | 2022-02-04 16:05:43 |
| lyts20211231_10q_htm.xml | 1564401 | 2022-02-04 16:05:43 |
| MetaLinks.json | 681930 | 2022-02-04 16:05:43 |
| R1.htm | 52419 | 2022-02-04 16:05:43 |
| R10.htm | 79436 | 2022-02-04 16:05:43 |
| R11.htm | 50416 | 2022-02-04 16:05:43 |
| R12.htm | 78644 | 2022-02-04 16:05:43 |
| R13.htm | 51154 | 2022-02-04 16:05:43 |
| R14.htm | 13607 | 2022-02-04 16:05:43 |
| R15.htm | 20684 | 2022-02-04 16:05:43 |
| R16.htm | 92821 | 2022-02-04 16:05:43 |
| R17.htm | 20746 | 2022-02-04 16:05:43 |
| R18.htm | 10095 | 2022-02-04 16:05:43 |
| R19.htm | 6673 | 2022-02-04 16:05:43 |
| R2.htm | 77614 | 2022-02-04 16:05:43 |
| R20.htm | 14522 | 2022-02-04 16:05:43 |
| R21.htm | 6747 | 2022-02-04 16:05:43 |
| R22.htm | 19176 | 2022-02-04 16:05:43 |
| R23.htm | 85806 | 2022-02-04 16:05:43 |
| R24.htm | 24241 | 2022-02-04 16:05:43 |
| R25.htm | 82862 | 2022-02-04 16:05:43 |
| R26.htm | 62814 | 2022-02-04 16:05:43 |
| R27.htm | 48494 | 2022-02-04 16:05:43 |
| R28.htm | 72355 | 2022-02-04 16:05:43 |
| R29.htm | 48042 | 2022-02-04 16:05:43 |
| R3.htm | 20066 | 2022-02-04 16:05:43 |
| R30.htm | 14047 | 2022-02-04 16:05:43 |
| R31.htm | 19863 | 2022-02-04 16:05:43 |
| R32.htm | 93904 | 2022-02-04 16:05:43 |
| R33.htm | 13352 | 2022-02-04 16:05:43 |
| R34.htm | 13670 | 2022-02-04 16:05:43 |
| R35.htm | 18652 | 2022-02-04 16:05:43 |
| R36.htm | 83899 | 2022-02-04 16:05:43 |
| R37.htm | 19588 | 2022-02-04 16:05:43 |
| R38.htm | 24423 | 2022-02-04 16:05:43 |
| R39.htm | 27641 | 2022-02-04 16:05:43 |
| R4.htm | 122741 | 2022-02-04 16:05:43 |
| R40.htm | 39274 | 2022-02-04 16:05:43 |
| R41.htm | 17366 | 2022-02-04 16:05:43 |
| R42.htm | 8313 | 2022-02-04 16:05:43 |
| R43.htm | 25082 | 2022-02-04 16:05:43 |
| R44.htm | 24888 | 2022-02-04 16:05:43 |
| R45.htm | 15700 | 2022-02-04 16:05:43 |
| R46.htm | 13158 | 2022-02-04 16:05:43 |
| R47.htm | 46267 | 2022-02-04 16:05:43 |
| R48.htm | 11039 | 2022-02-04 16:05:43 |
| R49.htm | 26017 | 2022-02-04 16:05:43 |
| R5.htm | 16385 | 2022-02-04 16:05:43 |
| R50.htm | 5753 | 2022-02-04 16:05:43 |
| R51.htm | 18841 | 2022-02-04 16:05:43 |
| R52.htm | 29736 | 2022-02-04 16:05:43 |
| R53.htm | 4107 | 2022-02-04 16:05:43 |
| R54.htm | 12642 | 2022-02-04 16:05:43 |
| R55.htm | 32315 | 2022-02-04 16:05:43 |
| R56.htm | 14355 | 2022-02-04 16:05:43 |
| R57.htm | 4789 | 2022-02-04 16:05:43 |
| R58.htm | 10063 | 2022-02-04 16:05:43 |
| R59.htm | 19252 | 2022-02-04 16:05:43 |
| R6.htm | 76040 | 2022-02-04 16:05:43 |
| R60.htm | 10378 | 2022-02-04 16:05:43 |
| R61.htm | 3887 | 2022-02-04 16:05:43 |
| R62.htm | 7016 | 2022-02-04 16:05:43 |
| R63.htm | 5146 | 2022-02-04 16:05:43 |
| R64.htm | 60894 | 2022-02-04 16:05:43 |
| R65.htm | 66313 | 2022-02-04 16:05:43 |
| R66.htm | 2553 | 2022-02-04 16:05:43 |
| R67.htm | 13977 | 2022-02-04 16:05:43 |
| R7.htm | 3030 | 2022-02-04 16:05:43 |
| R8.htm | 83826 | 2022-02-04 16:05:43 |
| R9.htm | 7191 | 2022-02-04 16:05:43 |
| report.css | 2767 | 2022-02-04 16:05:43 |
| Show.js | 1085 | 2022-02-04 16:05:43 |