Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001144204-18-026941-index-headers.html | 2018-05-10 12:41:40 | |
| 0001144204-18-026941-index.html | 2018-05-10 12:41:40 | |
| 0001144204-18-026941.txt | 2018-05-10 12:41:40 | |
 0001144204-18-026941-xbrl.zip | 100724 | 2018-05-10 12:41:40 |
| dwch-20180331.xml | 1340543 | 2018-05-10 12:41:40 |
| dwch-20180331.xsd | 28863 | 2018-05-10 12:41:40 |
| dwch-20180331_cal.xml | 57731 | 2018-05-10 12:41:40 |
| dwch-20180331_def.xml | 125951 | 2018-05-10 12:41:40 |
| dwch-20180331_lab.xml | 263520 | 2018-05-10 12:41:40 |
| dwch-20180331_pre.xml | 254328 | 2018-05-10 12:41:40 |
| FilingSummary.xml | 29971 | 2018-05-10 12:41:40 |
| Financial_Report.xlsx | 54662 | 2018-05-10 12:41:40 |
| R1.htm | 20227 | 2018-05-10 12:41:40 |
| R10.htm | 83867 | 2018-05-10 12:41:40 |
| R11.htm | 210857 | 2018-05-10 12:41:40 |
| R12.htm | 31955 | 2018-05-10 12:41:40 |
| R13.htm | 11795 | 2018-05-10 12:41:40 |
| R14.htm | 12687 | 2018-05-10 12:41:40 |
| R15.htm | 46475 | 2018-05-10 12:41:40 |
| R16.htm | 82499 | 2018-05-10 12:41:40 |
| R17.htm | 89133 | 2018-05-10 12:41:40 |
| R18.htm | 27871 | 2018-05-10 12:41:40 |
| R19.htm | 30905 | 2018-05-10 12:41:40 |
| R2.htm | 84613 | 2018-05-10 12:41:40 |
| R20.htm | 70901 | 2018-05-10 12:41:40 |
| R21.htm | 206503 | 2018-05-10 12:41:40 |
| R22.htm | 25864 | 2018-05-10 12:41:40 |
| R23.htm | 43716 | 2018-05-10 12:41:40 |
| R24.htm | 78193 | 2018-05-10 12:41:40 |
| R25.htm | 88520 | 2018-05-10 12:41:40 |
| R26.htm | 10621 | 2018-05-10 12:41:40 |
| R27.htm | 17458 | 2018-05-10 12:41:40 |
| R28.htm | 49862 | 2018-05-10 12:41:40 |
| R29.htm | 34110 | 2018-05-10 12:41:40 |
| R3.htm | 15372 | 2018-05-10 12:41:40 |
| R30.htm | 23878 | 2018-05-10 12:41:40 |
| R31.htm | 11122 | 2018-05-10 12:41:40 |
| R32.htm | 24584 | 2018-05-10 12:41:40 |
| R33.htm | 8464 | 2018-05-10 12:41:40 |
| R34.htm | 25322 | 2018-05-10 12:41:40 |
| R35.htm | 25942 | 2018-05-10 12:41:40 |
| R36.htm | 32221 | 2018-05-10 12:41:40 |
| R37.htm | 20867 | 2018-05-10 12:41:40 |
| R38.htm | 12548 | 2018-05-10 12:41:40 |
| R39.htm | 18617 | 2018-05-10 12:41:40 |
| R4.htm | 65246 | 2018-05-10 12:41:40 |
| R40.htm | 11563 | 2018-05-10 12:41:40 |
| R41.htm | 14734 | 2018-05-10 12:41:40 |
| R42.htm | 27910 | 2018-05-10 12:41:40 |
| R43.htm | 11141 | 2018-05-10 12:41:40 |
| R44.htm | 14811 | 2018-05-10 12:41:40 |
| R45.htm | 4381 | 2018-05-10 12:41:40 |
| R5.htm | 12679 | 2018-05-10 12:41:40 |
| R6.htm | 62487 | 2018-05-10 12:41:40 |
| R7.htm | 5806 | 2018-05-10 12:41:40 |
| R8.htm | 8600 | 2018-05-10 12:41:40 |
| R9.htm | 39267 | 2018-05-10 12:41:40 |
| report.css | 2767 | 2018-05-10 12:41:40 |
| Show.js | 1410 | 2018-05-10 12:41:40 |
| tv492005_10q.htm | 429096 | 2018-05-10 12:41:40 |
| tv492005_ex31-1.htm | 7656 | 2018-05-10 12:41:40 |
| tv492005_ex31-2.htm | 7640 | 2018-05-10 12:41:40 |
| tv492005_ex32-1.htm | 3959 | 2018-05-10 12:41:40 |
| tv492005_ex32-2.htm | 3966 | 2018-05-10 12:41:40 |