Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001099910-17-000107-index-headers.html | 2017-11-14 08:51:52 | |
| 0001099910-17-000107-index.html | 2017-11-14 08:51:52 | |
| 0001099910-17-000107.txt | 2017-11-14 08:51:52 | |
 0001099910-17-000107-xbrl.zip | 55075 | 2017-11-14 08:51:52 |
| evtn-20170930.xml | 223438 | 2017-11-14 08:51:52 |
| evtn-20170930.xsd | 17964 | 2017-11-14 08:51:52 |
| evtn-20170930_cal.xml | 34033 | 2017-11-14 08:51:52 |
| evtn-20170930_def.xml | 49055 | 2017-11-14 08:51:52 |
| evtn-20170930_lab.xml | 168558 | 2017-11-14 08:51:52 |
| evtn-20170930_pre.xml | 130498 | 2017-11-14 08:51:52 |
| evtn_10q.htm | 317165 | 2017-11-14 08:51:52 |
| ex31-1.htm | 7112 | 2017-11-14 08:51:52 |
| ex31-2.htm | 7121 | 2017-11-14 08:51:52 |
| ex32-1.htm | 2654 | 2017-11-14 08:51:52 |
| FilingSummary.xml | 17607 | 2017-11-14 08:51:52 |
| Financial_Report.xlsx | 36566 | 2017-11-14 08:51:52 |
| R1.htm | 27311 | 2017-11-14 08:51:52 |
| R10.htm | 5972 | 2017-11-14 08:51:52 |
| R11.htm | 6433 | 2017-11-14 08:51:52 |
| R12.htm | 30152 | 2017-11-14 08:51:52 |
| R13.htm | 13745 | 2017-11-14 08:51:52 |
| R14.htm | 5332 | 2017-11-14 08:51:52 |
| R15.htm | 4990 | 2017-11-14 08:51:52 |
| R16.htm | 75141 | 2017-11-14 08:51:52 |
| R17.htm | 11143 | 2017-11-14 08:51:52 |
| R18.htm | 28788 | 2017-11-14 08:51:52 |
| R19.htm | 4697 | 2017-11-14 08:51:52 |
| R2.htm | 56381 | 2017-11-14 08:51:52 |
| R20.htm | 6742 | 2017-11-14 08:51:52 |
| R21.htm | 10772 | 2017-11-14 08:51:52 |
| R22.htm | 14260 | 2017-11-14 08:51:52 |
| R23.htm | 14008 | 2017-11-14 08:51:52 |
| R24.htm | 15034 | 2017-11-14 08:51:52 |
| R25.htm | 30738 | 2017-11-14 08:51:52 |
| R26.htm | 16900 | 2017-11-14 08:51:52 |
| R27.htm | 10951 | 2017-11-14 08:51:52 |
| R28.htm | 32902 | 2017-11-14 08:51:52 |
| R29.htm | 5338 | 2017-11-14 08:51:52 |
| R3.htm | 10750 | 2017-11-14 08:51:52 |
| R4.htm | 53932 | 2017-11-14 08:51:52 |
| R5.htm | 18794 | 2017-11-14 08:51:52 |
| R6.htm | 60026 | 2017-11-14 08:51:52 |
| R7.htm | 7214 | 2017-11-14 08:51:52 |
| R8.htm | 7051 | 2017-11-14 08:51:52 |
| R9.htm | 35449 | 2017-11-14 08:51:52 |
| report.css | 2767 | 2017-11-14 08:51:52 |
| Show.js | 1410 | 2017-11-14 08:51:52 |