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| 0001564590-16-027547-index.html | 2016-11-04 11:16:31 | |
| 0001564590-16-027547.txt | 2016-11-04 11:16:31 | |
 0001564590-16-027547-xbrl.zip | 180491 | 2016-11-04 11:16:31 |
| FilingSummary.xml | 25035 | 2016-11-04 11:16:31 |
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| navg-10q_20160930.htm | 7343479 | 2016-11-04 11:16:31 |
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| navg-ex311_6.htm | 17974 | 2016-11-04 11:16:31 |
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| report.css | 2767 | 2016-11-04 11:16:31 |
| Show.js | 1410 | 2016-11-04 11:16:31 |