Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001654954-21-001732-index-headers.html | 2021-02-16 16:05:49 | |
| 0001654954-21-001732-index.html | 2021-02-16 16:05:49 | |
| 0001654954-21-001732.txt | 2021-02-16 16:05:49 | |
 0001654954-21-001732-xbrl.zip | 22545 | 2021-02-16 16:05:49 |
| FilingSummary.xml | 1725 | 2021-02-16 16:05:49 |
| Financial_Report.xlsx | 5478 | 2021-02-16 16:05:49 |
| lake-20211231.htm | 34252 | 2021-02-16 16:05:49 |
| lake-20211231.xsd | 3018 | 2021-02-16 16:05:49 |
| lake-20211231_cal.xml | 873 | 2021-02-16 16:05:49 |
| lake-20211231_def.xml | 1872 | 2021-02-16 16:05:49 |
| lake-20211231_htm.xml | 4140 | 2021-02-16 16:05:49 |
| lake-20211231_lab.xml | 15311 | 2021-02-16 16:05:49 |
| lake-20211231_pre.xml | 11159 | 2021-02-16 16:05:49 |
| lake_ex101.htm | 93715 | 2021-02-16 16:05:49 |
 lake_ex101000.jpg | 3661 | 2021-02-16 16:05:49 |
| MetaLinks.json | 17482 | 2021-02-16 16:05:49 |
| R1.htm | 38753 | 2021-02-16 16:05:49 |
| report.css | 2767 | 2021-02-16 16:05:49 |
| Show.js | 1085 | 2021-02-16 16:05:49 |