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| 0001558370-17-001668-index.html | 2017-03-13 15:21:49 | |
| 0001558370-17-001668.txt | 2017-03-13 15:21:49 | |
 0001558370-17-001668-xbrl.zip | 160916 | 2017-03-13 15:21:49 |
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| dwsn-20161231_cal.xml | 75995 | 2017-03-13 15:21:49 |
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| report.css | 2767 | 2017-03-13 15:21:49 |
| Show.js | 1410 | 2017-03-13 15:21:49 |