Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001144204-17-024564-index-headers.html | 2017-05-04 16:31:49 | |
| 0001144204-17-024564-index.html | 2017-05-04 16:31:49 | |
| 0001144204-17-024564.txt | 2017-05-04 16:31:49 | |
 0001144204-17-024564-xbrl.zip | 242419 | 2017-05-04 16:31:49 |
| dv-20170331.xml | 2998995 | 2017-05-04 16:31:49 |
| dv-20170331.xsd | 67740 | 2017-05-04 16:31:49 |
| dv-20170331_cal.xml | 59957 | 2017-05-04 16:31:49 |
| dv-20170331_def.xml | 483846 | 2017-05-04 16:31:49 |
| dv-20170331_lab.xml | 550323 | 2017-05-04 16:31:49 |
| dv-20170331_pre.xml | 541435 | 2017-05-04 16:31:49 |
| FilingSummary.xml | 43818 | 2017-05-04 16:31:49 |
| Financial_Report.xlsx | 107642 | 2017-05-04 16:31:49 |
| R1.htm | 22067 | 2017-05-04 16:31:49 |
| R10.htm | 104120 | 2017-05-04 16:31:49 |
| R11.htm | 130556 | 2017-05-04 16:31:49 |
| R12.htm | 76482 | 2017-05-04 16:31:49 |
| R13.htm | 99521 | 2017-05-04 16:31:49 |
| R14.htm | 31210 | 2017-05-04 16:31:49 |
| R15.htm | 72608 | 2017-05-04 16:31:49 |
| R16.htm | 326096 | 2017-05-04 16:31:49 |
| R17.htm | 74493 | 2017-05-04 16:31:49 |
| R18.htm | 10188 | 2017-05-04 16:31:49 |
| R19.htm | 13120 | 2017-05-04 16:31:49 |
| R2.htm | 113745 | 2017-05-04 16:31:49 |
| R20.htm | 26961 | 2017-05-04 16:31:49 |
| R21.htm | 252741 | 2017-05-04 16:31:49 |
| R22.htm | 146554 | 2017-05-04 16:31:49 |
| R23.htm | 51636 | 2017-05-04 16:31:49 |
| R24.htm | 127707 | 2017-05-04 16:31:49 |
| R25.htm | 66006 | 2017-05-04 16:31:49 |
| R26.htm | 96542 | 2017-05-04 16:31:49 |
| R27.htm | 28973 | 2017-05-04 16:31:49 |
| R28.htm | 61429 | 2017-05-04 16:31:49 |
| R29.htm | 314160 | 2017-05-04 16:31:49 |
| R3.htm | 9563 | 2017-05-04 16:31:49 |
| R30.htm | 74603 | 2017-05-04 16:31:49 |
| R31.htm | 248633 | 2017-05-04 16:31:49 |
| R32.htm | 6758 | 2017-05-04 16:31:49 |
| R33.htm | 20718 | 2017-05-04 16:31:49 |
| R34.htm | 13757 | 2017-05-04 16:31:49 |
| R35.htm | 14569 | 2017-05-04 16:31:49 |
| R36.htm | 64018 | 2017-05-04 16:31:49 |
| R37.htm | 39185 | 2017-05-04 16:31:49 |
| R38.htm | 35485 | 2017-05-04 16:31:49 |
| R39.htm | 14206 | 2017-05-04 16:31:49 |
| R4.htm | 63871 | 2017-05-04 16:31:49 |
| R40.htm | 23811 | 2017-05-04 16:31:49 |
| R41.htm | 15083 | 2017-05-04 16:31:49 |
| R42.htm | 28953 | 2017-05-04 16:31:49 |
| R43.htm | 29392 | 2017-05-04 16:31:49 |
| R44.htm | 15185 | 2017-05-04 16:31:49 |
| R45.htm | 18114 | 2017-05-04 16:31:49 |
| R46.htm | 11940 | 2017-05-04 16:31:49 |
| R47.htm | 18811 | 2017-05-04 16:31:49 |
| R48.htm | 30771 | 2017-05-04 16:31:49 |
| R49.htm | 31373 | 2017-05-04 16:31:49 |
| R5.htm | 20557 | 2017-05-04 16:31:49 |
| R50.htm | 22823 | 2017-05-04 16:31:49 |
| R51.htm | 36932 | 2017-05-04 16:31:49 |
| R52.htm | 21778 | 2017-05-04 16:31:49 |
| R53.htm | 44031 | 2017-05-04 16:31:49 |
| R54.htm | 57164 | 2017-05-04 16:31:49 |
| R55.htm | 22134 | 2017-05-04 16:31:49 |
| R56.htm | 19516 | 2017-05-04 16:31:49 |
| R57.htm | 13852 | 2017-05-04 16:31:49 |
| R58.htm | 42011 | 2017-05-04 16:31:49 |
| R59.htm | 13966 | 2017-05-04 16:31:49 |
| R6.htm | 92874 | 2017-05-04 16:31:49 |
| R60.htm | 39669 | 2017-05-04 16:31:49 |
| R61.htm | 30366 | 2017-05-04 16:31:49 |
| R62.htm | 9949 | 2017-05-04 16:31:49 |
| R63.htm | 11397 | 2017-05-04 16:31:49 |
| R64.htm | 12762 | 2017-05-04 16:31:49 |
| R65.htm | 40763 | 2017-05-04 16:31:49 |
| R66.htm | 16134 | 2017-05-04 16:31:49 |
| R67.htm | 54589 | 2017-05-04 16:31:49 |
| R68.htm | 20826 | 2017-05-04 16:31:49 |
| R69.htm | 16264 | 2017-05-04 16:31:49 |
| R7.htm | 7446 | 2017-05-04 16:31:49 |
| R8.htm | 5941 | 2017-05-04 16:31:49 |
| R9.htm | 11153 | 2017-05-04 16:31:49 |
| report.css | 2767 | 2017-05-04 16:31:49 |
| Show.js | 1410 | 2017-05-04 16:31:49 |
| v464817_10q.htm | 974443 | 2017-05-04 16:31:49 |
| v464817_ex31.htm | 14172 | 2017-05-04 16:31:49 |
| v464817_ex32.htm | 4262 | 2017-05-04 16:31:49 |