Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001654954-21-000138-index-headers.html | 2021-01-05 17:09:40 | |
| 0001654954-21-000138-index.html | 2021-01-05 17:09:40 | |
| 0001654954-21-000138.txt | 2021-01-05 17:09:40 | |
 0001654954-21-000138-xbrl.zip | 27825 | 2021-01-05 17:09:40 |
| FilingSummary.xml | 1757 | 2021-01-05 17:09:40 |
| Financial_Report.xlsx | 5453 | 2021-01-05 17:09:40 |
| lake-20201231.htm | 39555 | 2021-01-05 17:09:40 |
| lake-20201231.xsd | 3017 | 2021-01-05 17:09:40 |
| lake-20201231_cal.xml | 872 | 2021-01-05 17:09:40 |
| lake-20201231_def.xml | 1871 | 2021-01-05 17:09:40 |
| lake-20201231_htm.xml | 4138 | 2021-01-05 17:09:40 |
| lake-20201231_lab.xml | 15310 | 2021-01-05 17:09:40 |
| lake-20201231_pre.xml | 11158 | 2021-01-05 17:09:40 |
| lake_ex101.htm | 98129 | 2021-01-05 17:09:40 |
 lake_ex101000.jpg | 4810 | 2021-01-05 17:09:40 |
| lake_ex991.htm | 15992 | 2021-01-05 17:09:40 |
 lake_ex991000.jpg | 3437 | 2021-01-05 17:09:40 |
| MetaLinks.json | 17482 | 2021-01-05 17:09:40 |
| R1.htm | 38750 | 2021-01-05 17:09:40 |
| report.css | 2767 | 2021-01-05 17:09:40 |
| Show.js | 1085 | 2021-01-05 17:09:40 |