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| 0001437749-20-023829-index.html | 2020-11-13 16:06:06 | |
| 0001437749-20-023829.txt | 2020-11-13 16:06:06 | |
 0001437749-20-023829-xbrl.zip | 177184 | 2020-11-13 16:06:06 |
| ex_212346.htm | 9509 | 2020-11-13 16:06:06 |
| ex_212347.htm | 4924 | 2020-11-13 16:06:06 |
| FilingSummary.xml | 33567 | 2020-11-13 16:06:06 |
| Financial_Report.xlsx | 81195 | 2020-11-13 16:06:06 |
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| navb-20200930.xsd | 58183 | 2020-11-13 16:06:06 |
| navb-20200930_cal.xml | 41786 | 2020-11-13 16:06:06 |
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| navb20200930_10q.htm | 1380367 | 2020-11-13 16:06:06 |
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| report.css | 2767 | 2020-11-13 16:06:06 |
| Show.js | 1085 | 2020-11-13 16:06:06 |