Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-17-003969-index-headers.html | 2017-05-09 16:01:52 | |
| 0001558370-17-003969-index.html | 2017-05-09 16:01:52 | |
| 0001558370-17-003969.txt | 2017-05-09 16:01:52 | |
 0001558370-17-003969-xbrl.zip | 54262 | 2017-05-09 16:01:52 |
| dwsn-20170331.xml | 349464 | 2017-05-09 16:01:52 |
| dwsn-20170331.xsd | 18165 | 2017-05-09 16:01:52 |
| dwsn-20170331ex311a019e2.htm | 15421 | 2017-05-09 16:01:52 |
| dwsn-20170331ex31215fe72.htm | 15849 | 2017-05-09 16:01:52 |
| dwsn-20170331ex32158ec09.htm | 7647 | 2017-05-09 16:01:52 |
| dwsn-20170331ex322056558.htm | 7729 | 2017-05-09 16:01:52 |
| dwsn-20170331x10q.htm | 840375 | 2017-05-09 16:01:52 |
| dwsn-20170331_cal.xml | 39146 | 2017-05-09 16:01:52 |
| dwsn-20170331_def.xml | 35967 | 2017-05-09 16:01:52 |
| dwsn-20170331_lab.xml | 218683 | 2017-05-09 16:01:52 |
| dwsn-20170331_pre.xml | 135230 | 2017-05-09 16:01:52 |
| FilingSummary.xml | 13046 | 2017-05-09 16:01:52 |
| Financial_Report.xlsx | 31274 | 2017-05-09 16:01:52 |
| R1.htm | 22244 | 2017-05-09 16:01:52 |
| R10.htm | 8137 | 2017-05-09 16:01:52 |
| R11.htm | 66878 | 2017-05-09 16:01:52 |
| R12.htm | 9687 | 2017-05-09 16:01:52 |
| R13.htm | 5011 | 2017-05-09 16:01:52 |
| R14.htm | 46543 | 2017-05-09 16:01:52 |
| R15.htm | 51098 | 2017-05-09 16:01:52 |
| R16.htm | 64073 | 2017-05-09 16:01:52 |
| R17.htm | 8495 | 2017-05-09 16:01:52 |
| R18.htm | 63414 | 2017-05-09 16:01:52 |
| R19.htm | 23682 | 2017-05-09 16:01:52 |
| R2.htm | 85298 | 2017-05-09 16:01:52 |
| R20.htm | 18415 | 2017-05-09 16:01:52 |
| R21.htm | 14051 | 2017-05-09 16:01:52 |
| R3.htm | 19123 | 2017-05-09 16:01:52 |
| R4.htm | 51752 | 2017-05-09 16:01:52 |
| R5.htm | 85416 | 2017-05-09 16:01:52 |
| R6.htm | 5909 | 2017-05-09 16:01:52 |
| R7.htm | 29142 | 2017-05-09 16:01:52 |
| R8.htm | 9236 | 2017-05-09 16:01:52 |
| R9.htm | 54957 | 2017-05-09 16:01:52 |
| report.css | 2767 | 2017-05-09 16:01:52 |
| Show.js | 1410 | 2017-05-09 16:01:52 |