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| 0000912750-17-000007-index.html | 2017-05-02 16:30:35 | |
| 0000912750-17-000007.txt | 2017-05-02 16:30:35 | |
 0000912750-17-000007-xbrl.zip | 196637 | 2017-05-02 16:30:35 |
| FilingSummary.xml | 36141 | 2017-05-02 16:30:35 |
| Financial_Report.xlsx | 70347 | 2017-05-02 16:30:35 |
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| nfx-20170331.xsd | 52746 | 2017-05-02 16:30:35 |
| nfx-20170331_cal.xml | 85418 | 2017-05-02 16:30:35 |
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| nfx-20170331_lab.xml | 641104 | 2017-05-02 16:30:35 |
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| q12017nfxex10-2.htm | 257803 | 2017-05-02 16:30:35 |
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| q12017nfxex31-1.htm | 14678 | 2017-05-02 16:30:35 |
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| q12017nfxex32-1.htm | 6598 | 2017-05-02 16:30:35 |
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| report.css | 2767 | 2017-05-02 16:30:35 |
| Show.js | 1410 | 2017-05-02 16:30:35 |