Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000809802-18-000011-index-headers.html | 2018-05-11 12:45:18 | |
| 0000809802-18-000011-index.html | 2018-05-11 12:45:18 | |
| 0000809802-18-000011.txt | 2018-05-11 12:45:18 | |
 0000809802-18-000011-xbrl.zip | 50661 | 2018-05-11 12:45:18 |
 BarChart1.png | 30355 | 2018-05-11 12:45:18 |
 BarChart2.png | 30662 | 2018-05-11 12:45:18 |
| FilingSummary.xml | 4832 | 2018-05-11 12:45:18 |
| nlei-20180430.xml | 58043 | 2018-05-11 12:45:18 |
| nlei-20180430.xsd | 13416 | 2018-05-11 12:45:18 |
| nlei-20180430_cal.xml | 4758 | 2018-05-11 12:45:18 |
| nlei-20180430_def.xml | 387914 | 2018-05-11 12:45:18 |
| nlei-20180430_lab.xml | 147491 | 2018-05-11 12:45:18 |
| nlei-20180430_pre.xml | 313160 | 2018-05-11 12:45:18 |
| R1.htm | 16198 | 2018-05-11 12:45:18 |
| R15.htm | 167785 | 2018-05-11 12:45:18 |
| R16.htm | 7488 | 2018-05-11 12:45:18 |
| R2.htm | 107690 | 2018-05-11 12:45:18 |
| R8.htm | 166006 | 2018-05-11 12:45:18 |
| R9.htm | 109187 | 2018-05-11 12:45:18 |
| report.css | 2767 | 2018-05-11 12:45:18 |
| Show.js | 1410 | 2018-05-11 12:45:18 |
| xbrlnle.htm | 15692 | 2018-05-11 12:45:18 |