Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000072162-23-000023-index-headers.html | 2023-05-18 16:19:26 | |
| 0000072162-23-000023-index.html | 2023-05-18 16:19:26 | |
| 0000072162-23-000023.txt | 2023-05-18 16:19:26 | |
 0000072162-23-000023-xbrl.zip | 12824 | 2023-05-18 16:19:26 |
| FilingSummary.xml | 1955 | 2023-05-18 16:19:26 |
| Financial_Report.xlsx | 5701 | 2023-05-18 16:19:26 |
| MetaLinks.json | 16809 | 2023-05-18 16:19:26 |
| nl-20230518.xsd | 3096 | 2023-05-18 16:19:26 |
| nl-20230518x8k.htm | 59502 | 2023-05-18 16:19:26 |
| nl-20230518x8k_htm.xml | 4776 | 2023-05-18 16:19:26 |
| nl-20230518xex99d1.htm | 8439 | 2023-05-18 16:19:26 |
 nl-20230518xex99d1001.jpg | 2474 | 2023-05-18 16:19:26 |
| nl-20230518_lab.xml | 15900 | 2023-05-18 16:19:26 |
| nl-20230518_pre.xml | 10368 | 2023-05-18 16:19:26 |
| R1.htm | 39592 | 2023-05-18 16:19:26 |
| report.css | 2767 | 2023-05-18 16:19:26 |
| Show.js | 1085 | 2023-05-18 16:19:26 |