Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001654954-21-004239-index-headers.html | 2021-04-15 16:01:49 | |
| 0001654954-21-004239-index.html | 2021-04-15 16:01:49 | |
| 0001654954-21-004239.txt | 2021-04-15 16:01:49 | |
 0001654954-21-004239-xbrl.zip | 25464 | 2021-04-15 16:01:49 |
| FilingSummary.xml | 1725 | 2021-04-15 16:01:49 |
| Financial_Report.xlsx | 5675 | 2021-04-15 16:01:49 |
| lake-20211231.htm | 33246 | 2021-04-15 16:01:49 |
| lake-20211231.xsd | 3018 | 2021-04-15 16:01:49 |
| lake-20211231_cal.xml | 873 | 2021-04-15 16:01:49 |
| lake-20211231_def.xml | 1872 | 2021-04-15 16:01:49 |
| lake-20211231_htm.xml | 4138 | 2021-04-15 16:01:49 |
| lake-20211231_lab.xml | 15311 | 2021-04-15 16:01:49 |
| lake-20211231_pre.xml | 11159 | 2021-04-15 16:01:49 |
| lake_ex991.htm | 231709 | 2021-04-15 16:01:49 |
 lake_ex991000.jpg | 1929 | 2021-04-15 16:01:49 |
| MetaLinks.json | 17482 | 2021-04-15 16:01:49 |
| R1.htm | 38750 | 2021-04-15 16:01:49 |
| report.css | 2767 | 2021-04-15 16:01:49 |
| Show.js | 1085 | 2021-04-15 16:01:49 |