Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001099910-16-000416-index-headers.html | 2016-11-14 16:03:08 | |
| 0001099910-16-000416-index.html | 2016-11-14 16:03:08 | |
| 0001099910-16-000416.txt | 2016-11-14 16:03:08 | |
 0001099910-16-000416-xbrl.zip | 38011 | 2016-11-14 16:03:08 |
| evtn-20160930.xml | 139725 | 2016-11-14 16:03:08 |
| evtn-20160930.xsd | 15952 | 2016-11-14 16:03:08 |
| evtn-20160930_cal.xml | 23751 | 2016-11-14 16:03:08 |
| evtn-20160930_def.xml | 29500 | 2016-11-14 16:03:08 |
| evtn-20160930_lab.xml | 132973 | 2016-11-14 16:03:08 |
| evtn-20160930_pre.xml | 95963 | 2016-11-14 16:03:08 |
| evtn_10q.htm | 348646 | 2016-11-14 16:03:08 |
| ex31-1.htm | 11178 | 2016-11-14 16:03:08 |
| ex31-2.htm | 11922 | 2016-11-14 16:03:08 |
| ex32-1.htm | 4604 | 2016-11-14 16:03:08 |
| FilingSummary.xml | 14169 | 2016-11-14 16:03:08 |
| Financial_Report.xlsx | 29592 | 2016-11-14 16:03:08 |
| R1.htm | 27328 | 2016-11-14 16:03:08 |
| R10.htm | 7224 | 2016-11-14 16:03:08 |
| R11.htm | 19804 | 2016-11-14 16:03:08 |
| R12.htm | 7336 | 2016-11-14 16:03:08 |
| R13.htm | 6598 | 2016-11-14 16:03:08 |
| R14.htm | 69434 | 2016-11-14 16:03:08 |
| R15.htm | 6929 | 2016-11-14 16:03:08 |
| R16.htm | 16045 | 2016-11-14 16:03:08 |
| R17.htm | 10879 | 2016-11-14 16:03:08 |
| R18.htm | 14036 | 2016-11-14 16:03:08 |
| R19.htm | 7069 | 2016-11-14 16:03:08 |
| R2.htm | 48284 | 2016-11-14 16:03:08 |
| R20.htm | 30713 | 2016-11-14 16:03:08 |
| R21.htm | 16896 | 2016-11-14 16:03:08 |
| R22.htm | 12076 | 2016-11-14 16:03:08 |
| R23.htm | 5439 | 2016-11-14 16:03:08 |
| R3.htm | 9092 | 2016-11-14 16:03:08 |
| R4.htm | 37650 | 2016-11-14 16:03:08 |
| R5.htm | 14567 | 2016-11-14 16:03:08 |
| R6.htm | 41306 | 2016-11-14 16:03:08 |
| R7.htm | 7408 | 2016-11-14 16:03:08 |
| R8.htm | 5654 | 2016-11-14 16:03:08 |
| R9.htm | 27986 | 2016-11-14 16:03:08 |
| report.css | 2767 | 2016-11-14 16:03:08 |
| Show.js | 1410 | 2016-11-14 16:03:08 |