Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-18-008374-index-headers.html | 2018-11-02 16:04:34 | |
| 0001558370-18-008374-index.html | 2018-11-02 16:04:34 | |
| 0001558370-18-008374.txt | 2018-11-02 16:04:34 | |
 0001558370-18-008374-xbrl.zip | 80869 | 2018-11-02 16:04:34 |
| dwsn-20180930.xml | 898591 | 2018-11-02 16:04:34 |
| dwsn-20180930.xsd | 22947 | 2018-11-02 16:04:34 |
| dwsn-20180930ex311b326de.htm | 15411 | 2018-11-02 16:04:34 |
| dwsn-20180930ex3121e51fc.htm | 15839 | 2018-11-02 16:04:34 |
| dwsn-20180930ex321acdadd.htm | 7641 | 2018-11-02 16:04:34 |
| dwsn-20180930ex322c160e3.htm | 7723 | 2018-11-02 16:04:34 |
| dwsn-20180930x10q.htm | 1255656 | 2018-11-02 16:04:34 |
| dwsn-20180930_cal.xml | 44400 | 2018-11-02 16:04:34 |
| dwsn-20180930_def.xml | 69926 | 2018-11-02 16:04:34 |
| dwsn-20180930_lab.xml | 245153 | 2018-11-02 16:04:34 |
| dwsn-20180930_pre.xml | 187591 | 2018-11-02 16:04:34 |
| FilingSummary.xml | 18159 | 2018-11-02 16:04:34 |
| Financial_Report.xlsx | 39444 | 2018-11-02 16:04:34 |
| R1.htm | 25930 | 2018-11-02 16:04:34 |
| R10.htm | 73242 | 2018-11-02 16:04:34 |
| R11.htm | 7128 | 2018-11-02 16:04:34 |
| R12.htm | 97968 | 2018-11-02 16:04:34 |
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| R16.htm | 179146 | 2018-11-02 16:04:34 |
| R17.htm | 67905 | 2018-11-02 16:04:34 |
| R18.htm | 97562 | 2018-11-02 16:04:34 |
| R19.htm | 10342 | 2018-11-02 16:04:34 |
| R2.htm | 85880 | 2018-11-02 16:04:34 |
| R20.htm | 14095 | 2018-11-02 16:04:34 |
| R21.htm | 38084 | 2018-11-02 16:04:34 |
| R22.htm | 33289 | 2018-11-02 16:04:34 |
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| R27.htm | 17973 | 2018-11-02 16:04:34 |
| R28.htm | 5271 | 2018-11-02 16:04:34 |
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| R4.htm | 57492 | 2018-11-02 16:04:34 |
| R5.htm | 94878 | 2018-11-02 16:04:34 |
| R6.htm | 5856 | 2018-11-02 16:04:34 |
| R7.htm | 37010 | 2018-11-02 16:04:34 |
| R8.htm | 7749 | 2018-11-02 16:04:34 |
| R9.htm | 185266 | 2018-11-02 16:04:34 |
| report.css | 2767 | 2018-11-02 16:04:34 |
| Show.js | 1085 | 2018-11-02 16:04:34 |