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|---|---|---|
 0001580642-17-002904-index-headers.html | 2017-05-09 16:18:41 | |
| 0001580642-17-002904-index.html | 2017-05-09 16:18:41 | |
| 0001580642-17-002904.txt | 2017-05-09 16:18:41 | |
 0001580642-17-002904-xbrl.zip | 31848 | 2017-05-09 16:18:41 |
 BarChart1.png | 7109 | 2017-05-09 16:18:41 |
 BarChart2.png | 14170 | 2017-05-09 16:18:41 |
| FilingSummary.xml | 2159 | 2017-05-09 16:18:41 |
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| nlvt-20170501_cal.xml | 5405 | 2017-05-09 16:18:41 |
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 pro3_005.jpg | 24939 | 2017-05-09 16:18:41 |
| R1.htm | 115017 | 2017-05-09 16:18:41 |
| R6.htm | 203434 | 2017-05-09 16:18:41 |
| report.css | 2767 | 2017-05-09 16:18:41 |
| Show.js | 1410 | 2017-05-09 16:18:41 |
| xbrl485b7twelve.htm | 23918 | 2017-05-09 16:18:41 |