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| 0001580642-19-001988-index.html | 2019-04-18 14:47:27 | |
| 0001580642-19-001988.txt | 2019-04-18 14:47:27 | |
 0001580642-19-001988-xbrl.zip | 38850 | 2019-04-18 14:47:27 |
 BarChart1.png | 31871 | 2019-04-18 14:47:27 |
 BarChart2.png | 31029 | 2019-04-18 14:47:27 |
 BarChart3.png | 21349 | 2019-04-18 14:47:27 |
| FilingSummary.xml | 2333 | 2019-04-18 14:47:27 |
| nlvt-20190501.xml | 112603 | 2019-04-18 14:47:27 |
| nlvt-20190501.xsd | 8140 | 2019-04-18 14:47:27 |
| nlvt-20190501_cal.xml | 6193 | 2019-04-18 14:47:27 |
| nlvt-20190501_def.xml | 77166 | 2019-04-18 14:47:27 |
| nlvt-20190501_lab.xml | 138021 | 2019-04-18 14:47:27 |
| nlvt-20190501_pre.xml | 164275 | 2019-04-18 14:47:27 |
| powervit485bx247.htm | 23301 | 2019-04-18 14:47:27 |
| R1.htm | 184172 | 2019-04-18 14:47:27 |
| R6.htm | 307009 | 2019-04-18 14:47:27 |
| report.css | 2767 | 2019-04-18 14:47:27 |
| Show.js | 1085 | 2019-04-18 14:47:27 |