Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000809802-19-000011-index-headers.html | 2019-05-16 17:07:50 | |
| 0000809802-19-000011-index.html | 2019-05-16 17:07:50 | |
| 0000809802-19-000011.txt | 2019-05-16 17:07:50 | |
 0000809802-19-000011-xbrl.zip | 52076 | 2019-05-16 17:07:50 |
 BarChart1.png | 31667 | 2019-05-16 17:07:50 |
 BarChart2.png | 31944 | 2019-05-16 17:07:50 |
| FilingSummary.xml | 4831 | 2019-05-16 17:07:50 |
| nlei-20190430.xml | 58266 | 2019-05-16 17:07:50 |
| nlei-20190430.xsd | 13730 | 2019-05-16 17:07:50 |
| nlei-20190430_cal.xml | 4769 | 2019-05-16 17:07:50 |
| nlei-20190430_def.xml | 411227 | 2019-05-16 17:07:50 |
| nlei-20190430_lab.xml | 157244 | 2019-05-16 17:07:50 |
| nlei-20190430_pre.xml | 321202 | 2019-05-16 17:07:50 |
| R1.htm | 18255 | 2019-05-16 17:07:50 |
| R15.htm | 168649 | 2019-05-16 17:07:50 |
| R16.htm | 7488 | 2019-05-16 17:07:50 |
| R2.htm | 108023 | 2019-05-16 17:07:50 |
| R8.htm | 166912 | 2019-05-16 17:07:50 |
| R9.htm | 109478 | 2019-05-16 17:07:50 |
| report.css | 2767 | 2019-05-16 17:07:50 |
| Show.js | 1085 | 2019-05-16 17:07:50 |
| xbrlnle.htm | 21725 | 2019-05-16 17:07:50 |