Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104485-20-000173-index-headers.html | 2020-09-02 07:02:18 | |
| 0001104485-20-000173-index.html | 2020-09-02 07:02:18 | |
| 0001104485-20-000173.txt | 2020-09-02 07:02:18 | |
 0001104485-20-000173-xbrl.zip | 13930 | 2020-09-02 07:02:18 |
| exhibit991-reversestoc.htm | 7218 | 2020-09-02 07:02:18 |
| FilingSummary.xml | 1712 | 2020-09-02 07:02:18 |
| Financial_Report.xlsx | 5453 | 2020-09-02 07:02:18 |
| MetaLinks.json | 17179 | 2020-09-02 07:02:18 |
| nog-20200902.htm | 42245 | 2020-09-02 07:02:18 |
| nog-20200902.xsd | 2415 | 2020-09-02 07:02:18 |
| nog-20200902_cal.xml | 707 | 2020-09-02 07:02:18 |
| nog-20200902_def.xml | 1640 | 2020-09-02 07:02:18 |
| nog-20200902_htm.xml | 10941 | 2020-09-02 07:02:18 |
| nog-20200902_lab.xml | 23970 | 2020-09-02 07:02:18 |
| nog-20200902_pre.xml | 12643 | 2020-09-02 07:02:18 |
| R1.htm | 38615 | 2020-09-02 07:02:18 |
| report.css | 2767 | 2020-09-02 07:02:18 |
| Show.js | 1085 | 2020-09-02 07:02:18 |