Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001654954-21-006716-index-headers.html | 2021-06-09 16:01:25 | |
| 0001654954-21-006716-index.html | 2021-06-09 16:01:25 | |
| 0001654954-21-006716.txt | 2021-06-09 16:01:25 | |
 0001654954-21-006716-xbrl.zip | 87254 | 2021-06-09 16:01:25 |
| FilingSummary.xml | 18198 | 2021-06-09 16:01:25 |
| Financial_Report.xlsx | 45400 | 2021-06-09 16:01:25 |
| lake-20210430.xsd | 29739 | 2021-06-09 16:01:25 |
| lake-20210430_cal.xml | 38602 | 2021-06-09 16:01:25 |
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| lake-20210430_lab.xml | 180254 | 2021-06-09 16:01:25 |
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| lake_10q_htm.xml | 435213 | 2021-06-09 16:01:25 |
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| lake_ex312.htm | 10026 | 2021-06-09 16:01:25 |
| lake_ex321.htm | 4043 | 2021-06-09 16:01:25 |
| lake_ex322.htm | 4070 | 2021-06-09 16:01:25 |
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| R8.htm | 6672 | 2021-06-09 16:01:25 |
| R9.htm | 7964 | 2021-06-09 16:01:25 |
| report.css | 2767 | 2021-06-09 16:01:25 |
| Show.js | 1085 | 2021-06-09 16:01:25 |