Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-17-006000-index-headers.html | 2017-08-04 16:43:39 | |
| 0001558370-17-006000-index.html | 2017-08-04 16:43:39 | |
| 0001558370-17-006000.txt | 2017-08-04 16:43:39 | |
 0001558370-17-006000-xbrl.zip | 57655 | 2017-08-04 16:43:39 |
| dwsn-20170630.xml | 466275 | 2017-08-04 16:43:39 |
| dwsn-20170630.xsd | 18166 | 2017-08-04 16:43:39 |
| dwsn-20170630ex311a5b51b.htm | 15425 | 2017-08-04 16:43:39 |
| dwsn-20170630ex31254a2bd.htm | 15853 | 2017-08-04 16:43:39 |
| dwsn-20170630ex321cd589c.htm | 7650 | 2017-08-04 16:43:39 |
| dwsn-20170630ex322afb01e.htm | 7732 | 2017-08-04 16:43:39 |
| dwsn-20170630x10q.htm | 993757 | 2017-08-04 16:43:39 |
| dwsn-20170630_cal.xml | 38612 | 2017-08-04 16:43:39 |
| dwsn-20170630_def.xml | 34987 | 2017-08-04 16:43:39 |
| dwsn-20170630_lab.xml | 219169 | 2017-08-04 16:43:39 |
| dwsn-20170630_pre.xml | 133922 | 2017-08-04 16:43:39 |
| FilingSummary.xml | 13046 | 2017-08-04 16:43:39 |
| Financial_Report.xlsx | 32006 | 2017-08-04 16:43:39 |
| R1.htm | 22245 | 2017-08-04 16:43:39 |
| R10.htm | 7133 | 2017-08-04 16:43:39 |
| R11.htm | 109608 | 2017-08-04 16:43:39 |
| R12.htm | 8663 | 2017-08-04 16:43:39 |
| R13.htm | 5180 | 2017-08-04 16:43:39 |
| R14.htm | 47684 | 2017-08-04 16:43:39 |
| R15.htm | 51214 | 2017-08-04 16:43:39 |
| R16.htm | 108012 | 2017-08-04 16:43:39 |
| R17.htm | 8495 | 2017-08-04 16:43:39 |
| R18.htm | 63075 | 2017-08-04 16:43:39 |
| R19.htm | 23964 | 2017-08-04 16:43:39 |
| R2.htm | 85065 | 2017-08-04 16:43:39 |
| R20.htm | 19181 | 2017-08-04 16:43:39 |
| R21.htm | 9052 | 2017-08-04 16:43:39 |
| R3.htm | 19010 | 2017-08-04 16:43:39 |
| R4.htm | 52147 | 2017-08-04 16:43:39 |
| R5.htm | 83558 | 2017-08-04 16:43:39 |
| R6.htm | 5565 | 2017-08-04 16:43:39 |
| R7.htm | 31041 | 2017-08-04 16:43:39 |
| R8.htm | 7821 | 2017-08-04 16:43:39 |
| R9.htm | 55092 | 2017-08-04 16:43:39 |
| report.css | 2767 | 2017-08-04 16:43:39 |
| Show.js | 1410 | 2017-08-04 16:43:39 |