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| 0001699039-20-000024-index.html | 2020-05-01 17:02:49 | |
| 0001699039-20-000024.txt | 2020-05-01 17:02:49 | |
 0001699039-20-000024-xbrl.zip | 155285 | 2020-05-01 17:02:49 |
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| R10.htm | 25592 | 2020-05-01 17:02:49 |
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| report.css | 2767 | 2020-05-01 17:02:49 |
| rngr-033120form10q.htm | 1101245 | 2020-05-01 17:02:49 |
| rngr-20200331.xml | 1013015 | 2020-05-01 17:02:49 |
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| rngr-ex311danderson.htm | 18230 | 2020-05-01 17:02:49 |
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| rngr-ex321danderson.htm | 12862 | 2020-05-01 17:02:49 |
| rngr-ex322bblossman.htm | 12841 | 2020-05-01 17:02:49 |
 rngr-logo.jpg | 20313 | 2020-05-01 17:02:49 |
| Show.js | 1085 | 2020-05-01 17:02:49 |