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|---|---|---|
 0001654954-18-010018-index-headers.html | 2018-09-10 16:07:09 | |
| 0001654954-18-010018-index.html | 2018-09-10 16:07:09 | |
| 0001654954-18-010018.txt | 2018-09-10 16:07:09 | |
 0001654954-18-010018-xbrl.zip | 87626 | 2018-09-10 16:07:09 |
| a2qfy19-10qv11toissuerdir.htm | 974285 | 2018-09-10 16:07:09 |
| exhibit101to2qfy19crobers.htm | 64664 | 2018-09-10 16:07:09 |
| exhibit311.htm | 12847 | 2018-09-10 16:07:09 |
| exhibit312.htm | 12735 | 2018-09-10 16:07:09 |
| exhibit321.htm | 5784 | 2018-09-10 16:07:09 |
| exhibit322.htm | 5886 | 2018-09-10 16:07:09 |
| FilingSummary.xml | 22399 | 2018-09-10 16:07:09 |
| Financial_Report.xlsx | 60771 | 2018-09-10 16:07:09 |
| lake-20180731.xml | 800327 | 2018-09-10 16:07:09 |
| lake-20180731.xsd | 25481 | 2018-09-10 16:07:09 |
| lake-20180731_cal.xml | 50924 | 2018-09-10 16:07:09 |
| lake-20180731_def.xml | 67914 | 2018-09-10 16:07:09 |
| lake-20180731_lab.xml | 177777 | 2018-09-10 16:07:09 |
| lake-20180731_pre.xml | 150350 | 2018-09-10 16:07:09 |
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| R8.htm | 6888 | 2018-09-10 16:07:09 |
| R9.htm | 47779 | 2018-09-10 16:07:09 |
| report.css | 2767 | 2018-09-10 16:07:09 |
| Show.js | 1410 | 2018-09-10 16:07:09 |