Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000059255-21-000062-index-headers.html | 2021-05-05 16:21:49 | |
| 0000059255-21-000062-index.html | 2021-05-05 16:21:49 | |
| 0000059255-21-000062.txt | 2021-05-05 16:21:49 | |
 0000059255-21-000062-xbrl.zip | 18921 | 2021-05-05 16:21:49 |
| exh991.htm | 119719 | 2021-05-05 16:21:49 |
| FilingSummary.xml | 1677 | 2021-05-05 16:21:49 |
| Financial_Report.xlsx | 5670 | 2021-05-05 16:21:49 |
 image0.jpg | 1793 | 2021-05-05 16:21:49 |
| MetaLinks.json | 20539 | 2021-05-05 16:21:49 |
| nl-20210505.xsd | 4171 | 2021-05-05 16:21:49 |
| nl-20210505_lab.xml | 22718 | 2021-05-05 16:21:49 |
| nl-20210505_pre.xml | 16202 | 2021-05-05 16:21:49 |
| nl8k210505.htm | 34092 | 2021-05-05 16:21:49 |
| nl8k210505_htm.xml | 4194 | 2021-05-05 16:21:49 |
| R1.htm | 40138 | 2021-05-05 16:21:49 |
| report.css | 2767 | 2021-05-05 16:21:49 |
| Show.js | 1085 | 2021-05-05 16:21:49 |