Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-21-007228-index-headers.html | 2021-05-14 15:13:18 | |
| 0001558370-21-007228-index.html | 2021-05-14 15:13:18 | |
| 0001558370-21-007228.txt | 2021-05-14 15:13:18 | |
 0001558370-21-007228-xbrl.zip | 146274 | 2021-05-14 15:13:18 |
| dwsn-20210331.xsd | 27568 | 2021-05-14 15:13:18 |
| dwsn-20210331x10q.htm | 970853 | 2021-05-14 15:13:18 |
| dwsn-20210331x10q_htm.xml | 584373 | 2021-05-14 15:13:18 |
| dwsn-20210331xex10d1.htm | 182402 | 2021-05-14 15:13:18 |
| dwsn-20210331xex31d1.htm | 14813 | 2021-05-14 15:13:18 |
| dwsn-20210331xex31d2.htm | 15415 | 2021-05-14 15:13:18 |
| dwsn-20210331xex32d1.htm | 8031 | 2021-05-14 15:13:18 |
| dwsn-20210331xex32d2.htm | 8102 | 2021-05-14 15:13:18 |
| dwsn-20210331_cal.xml | 54788 | 2021-05-14 15:13:18 |
| dwsn-20210331_def.xml | 53266 | 2021-05-14 15:13:18 |
| dwsn-20210331_lab.xml | 282095 | 2021-05-14 15:13:18 |
| dwsn-20210331_pre.xml | 192884 | 2021-05-14 15:13:18 |
| FilingSummary.xml | 22060 | 2021-05-14 15:13:18 |
| Financial_Report.xlsx | 47488 | 2021-05-14 15:13:18 |
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| R1.htm | 52246 | 2021-05-14 15:13:18 |
| R10.htm | 24997 | 2021-05-14 15:13:18 |
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| R2.htm | 94646 | 2021-05-14 15:13:18 |
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| R32.htm | 5535 | 2021-05-14 15:13:18 |
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| R8.htm | 20914 | 2021-05-14 15:13:18 |
| R9.htm | 7754 | 2021-05-14 15:13:18 |
| report.css | 2767 | 2021-05-14 15:13:18 |
| Show.js | 1085 | 2021-05-14 15:13:18 |