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| 0001564590-16-022876-index.html | 2016-08-05 11:01:17 | |
| 0001564590-16-022876.txt | 2016-08-05 11:01:17 | |
 0001564590-16-022876-xbrl.zip | 176282 | 2016-08-05 11:01:17 |
| FilingSummary.xml | 25035 | 2016-08-05 11:01:17 |
| Financial_Report.xlsx | 65832 | 2016-08-05 11:01:17 |
| navg-10q_20160630.htm | 7105153 | 2016-08-05 11:01:17 |
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| navg-ex311_7.htm | 17972 | 2016-08-05 11:01:17 |
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| report.css | 2767 | 2016-08-05 11:01:17 |
| Show.js | 1410 | 2016-08-05 11:01:17 |