Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-23-002163-index-headers.html | 2023-01-31 17:44:19 | |
| 0001437749-23-002163-index.html | 2023-01-31 17:44:19 | |
| 0001437749-23-002163.txt | 2023-01-31 17:44:19 | |
 0001437749-23-002163-xbrl.zip | 13098 | 2023-01-31 17:44:19 |
| evtn-20230130.xsd | 3602 | 2023-01-31 17:44:19 |
| evtn-20230130_def.xml | 10834 | 2023-01-31 17:44:19 |
| evtn-20230130_lab.xml | 14471 | 2023-01-31 17:44:19 |
| evtn-20230130_pre.xml | 10880 | 2023-01-31 17:44:19 |
| evtn20230131_8k.htm | 25727 | 2023-01-31 17:44:19 |
| evtn20230131_8k_htm.xml | 2409 | 2023-01-31 17:44:19 |
| ex_470052.htm | 10309 | 2023-01-31 17:44:19 |
| ex_470057.htm | 5777 | 2023-01-31 17:44:19 |
| FilingSummary.xml | 1803 | 2023-01-31 17:44:19 |
| Financial_Report.xlsx | 5634 | 2023-01-31 17:44:19 |
 fldepofstate01.jpg | 7529 | 2023-01-31 17:44:19 |
 jg01.jpg | 1819 | 2023-01-31 17:44:19 |
| MetaLinks.json | 18196 | 2023-01-31 17:44:19 |
| R1.htm | 35138 | 2023-01-31 17:44:19 |
| report.css | 2767 | 2023-01-31 17:44:19 |
| Show.js | 1085 | 2023-01-31 17:44:19 |