Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000809802-19-000004-index-headers.html | 2019-02-19 13:13:58 | |
| 0000809802-19-000004-index.html | 2019-02-19 13:13:58 | |
| 0000809802-19-000004.txt | 2019-02-19 13:13:58 | |
 0000809802-19-000004-xbrl.zip | 36592 | 2019-02-19 13:13:58 |
 BarChart1.png | 31944 | 2019-02-19 13:13:58 |
| FilingSummary.xml | 3574 | 2019-02-19 13:13:58 |
| nlei-20190131.xml | 30167 | 2019-02-19 13:13:58 |
| nlei-20190131.xsd | 8884 | 2019-02-19 13:13:58 |
| nlei-20190131_cal.xml | 4769 | 2019-02-19 13:13:58 |
| nlei-20190131_def.xml | 221257 | 2019-02-19 13:13:58 |
| nlei-20190131_lab.xml | 154902 | 2019-02-19 13:13:58 |
| nlei-20190131_pre.xml | 173647 | 2019-02-19 13:13:58 |
| R1.htm | 18257 | 2019-02-19 13:13:58 |
| R2.htm | 109485 | 2019-02-19 13:13:58 |
| R8.htm | 168655 | 2019-02-19 13:13:58 |
| R9.htm | 7489 | 2019-02-19 13:13:58 |
| report.css | 2767 | 2019-02-19 13:13:58 |
| Show.js | 1085 | 2019-02-19 13:13:58 |
| xbrlnle.htm | 22046 | 2019-02-19 13:13:58 |