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 0001558370-19-004306-index-headers.html | 2019-05-07 17:29:05 | |
| 0001558370-19-004306-index.html | 2019-05-07 17:29:05 | |
| 0001558370-19-004306.txt | 2019-05-07 17:29:05 | |
 0001558370-19-004306-xbrl.zip | 84697 | 2019-05-07 17:29:05 |
| dwsn-20190331.xml | 901060 | 2019-05-07 17:29:05 |
| dwsn-20190331.xsd | 30354 | 2019-05-07 17:29:05 |
| dwsn-20190331ex311552657.htm | 15412 | 2019-05-07 17:29:05 |
| dwsn-20190331ex3128da19f.htm | 15840 | 2019-05-07 17:29:05 |
| dwsn-20190331ex32133df69.htm | 7638 | 2019-05-07 17:29:05 |
| dwsn-20190331ex322d2e240.htm | 7720 | 2019-05-07 17:29:05 |
| dwsn-20190331x10q.htm | 1341830 | 2019-05-07 17:29:05 |
| dwsn-20190331_cal.xml | 63896 | 2019-05-07 17:29:05 |
| dwsn-20190331_def.xml | 58217 | 2019-05-07 17:29:05 |
| dwsn-20190331_lab.xml | 320820 | 2019-05-07 17:29:05 |
| dwsn-20190331_pre.xml | 208351 | 2019-05-07 17:29:05 |
| FilingSummary.xml | 20197 | 2019-05-07 17:29:05 |
| Financial_Report.xlsx | 42574 | 2019-05-07 17:29:05 |
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| R9.htm | 7729 | 2019-05-07 17:29:05 |
| report.css | 2767 | 2019-05-07 17:29:05 |
| Show.js | 1085 | 2019-05-07 17:29:05 |