Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-18-006462-index-headers.html | 2018-08-06 16:49:50 | |
| 0001558370-18-006462-index.html | 2018-08-06 16:49:50 | |
| 0001558370-18-006462.txt | 2018-08-06 16:49:50 | |
 0001558370-18-006462-xbrl.zip | 76256 | 2018-08-06 16:49:50 |
| dwsn-20180630.xml | 843564 | 2018-08-06 16:49:50 |
| dwsn-20180630.xsd | 23178 | 2018-08-06 16:49:50 |
| dwsn-20180630ex31151acd7.htm | 15409 | 2018-08-06 16:49:50 |
| dwsn-20180630ex31249018d.htm | 15837 | 2018-08-06 16:49:50 |
| dwsn-20180630ex321f56af1.htm | 7634 | 2018-08-06 16:49:50 |
| dwsn-20180630ex322a577b9.htm | 7716 | 2018-08-06 16:49:50 |
| dwsn-20180630x10q.htm | 1192221 | 2018-08-06 16:49:50 |
| dwsn-20180630_cal.xml | 41054 | 2018-08-06 16:49:50 |
| dwsn-20180630_def.xml | 66235 | 2018-08-06 16:49:50 |
| dwsn-20180630_lab.xml | 234254 | 2018-08-06 16:49:50 |
| dwsn-20180630_pre.xml | 179665 | 2018-08-06 16:49:50 |
| FilingSummary.xml | 18095 | 2018-08-06 16:49:50 |
| Financial_Report.xlsx | 38356 | 2018-08-06 16:49:50 |
| R1.htm | 22246 | 2018-08-06 16:49:50 |
| R10.htm | 50163 | 2018-08-06 16:49:50 |
| R11.htm | 7134 | 2018-08-06 16:49:50 |
| R12.htm | 98282 | 2018-08-06 16:49:50 |
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| R18.htm | 97891 | 2018-08-06 16:49:50 |
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| R2.htm | 85579 | 2018-08-06 16:49:50 |
| R20.htm | 14410 | 2018-08-06 16:49:50 |
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| R28.htm | 5279 | 2018-08-06 16:49:50 |
| R3.htm | 19011 | 2018-08-06 16:49:50 |
| R4.htm | 52246 | 2018-08-06 16:49:50 |
| R5.htm | 83884 | 2018-08-06 16:49:50 |
| R6.htm | 5566 | 2018-08-06 16:49:50 |
| R7.htm | 34306 | 2018-08-06 16:49:50 |
| R8.htm | 7747 | 2018-08-06 16:49:50 |
| R9.htm | 186231 | 2018-08-06 16:49:50 |
| report.css | 2767 | 2018-08-06 16:49:50 |
| Show.js | 1410 | 2018-08-06 16:49:50 |