Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000914317-12-000158-index-headers.html | 2012-02-13 14:46:48 | |
| 0000914317-12-000158-index.html | 2012-02-13 14:46:48 | |
| 0000914317-12-000158.txt | 2012-02-13 14:46:48 | |
 0000914317-12-000158-xbrl.zip | 25133 | 2012-02-13 14:46:48 |
| evi-20111231.xml | 68672 | 2012-02-13 14:46:48 |
| evi-20111231.xsd | 10698 | 2012-02-13 14:46:48 |
| evi-20111231_cal.xml | 21433 | 2012-02-13 14:46:48 |
| evi-20111231_def.xml | 6331 | 2012-02-13 14:46:48 |
| evi-20111231_lab.xml | 89774 | 2012-02-13 14:46:48 |
| evi-20111231_pre.xml | 54915 | 2012-02-13 14:46:48 |
| ex31-01.htm | 7478 | 2012-02-13 14:46:48 |
| ex31-02.htm | 7263 | 2012-02-13 14:46:48 |
| ex32-01.htm | 3888 | 2012-02-13 14:46:48 |
| ex32-02.htm | 3919 | 2012-02-13 14:46:48 |
| FilingSummary.xml | 7244 | 2012-02-13 14:46:48 |
| Financial_Report.xls | 68399 | 2012-02-13 14:46:48 |
| form10q-119622_envi.htm | 188179 | 2012-02-13 14:46:48 |
| R1.htm | 33902 | 2012-02-13 14:46:48 |
| R10.htm | 10251 | 2012-02-13 14:46:48 |
| R11.htm | 5008 | 2012-02-13 14:46:48 |
| R12.htm | 24752 | 2012-02-13 14:46:48 |
| R13.htm | 11080 | 2012-02-13 14:46:48 |
| R2.htm | 47909 | 2012-02-13 14:46:48 |
| R3.htm | 108036 | 2012-02-13 14:46:48 |
| R4.htm | 32558 | 2012-02-13 14:46:48 |
| R5.htm | 93981 | 2012-02-13 14:46:48 |
| R6.htm | 7019 | 2012-02-13 14:46:48 |
| R7.htm | 13010 | 2012-02-13 14:46:48 |
| R8.htm | 8288 | 2012-02-13 14:46:48 |
| R9.htm | 7786 | 2012-02-13 14:46:48 |
| report.css | 2721 | 2012-02-13 14:46:48 |
| Show.js | 6423 | 2012-02-13 14:46:48 |