Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000914317-12-000658-index-headers.html | 2012-05-14 13:06:18 | |
| 0000914317-12-000658-index.html | 2012-05-14 13:06:18 | |
| 0000914317-12-000658.txt | 2012-05-14 13:06:18 | |
 0000914317-12-000658-xbrl.zip | 26467 | 2012-05-14 13:06:18 |
| evi-20120331.xml | 96490 | 2012-05-14 13:06:18 |
| evi-20120331.xsd | 10459 | 2012-05-14 13:06:18 |
| evi-20120331_cal.xml | 21433 | 2012-05-14 13:06:18 |
| evi-20120331_def.xml | 6331 | 2012-05-14 13:06:18 |
| evi-20120331_lab.xml | 89031 | 2012-05-14 13:06:18 |
| evi-20120331_pre.xml | 54880 | 2012-05-14 13:06:18 |
| ex31-01.htm | 7727 | 2012-05-14 13:06:18 |
| ex31-02.htm | 7917 | 2012-05-14 13:06:18 |
| ex32-01.htm | 3978 | 2012-05-14 13:06:18 |
| ex32-02.htm | 3985 | 2012-05-14 13:06:18 |
| FilingSummary.xml | 7244 | 2012-05-14 13:06:18 |
| Financial_Report.xls | 95760 | 2012-05-14 13:06:18 |
| form10q-123136_envi.htm | 203499 | 2012-05-14 13:06:18 |
| R1.htm | 33889 | 2012-05-14 13:06:18 |
| R10.htm | 10261 | 2012-05-14 13:06:18 |
| R11.htm | 4999 | 2012-05-14 13:06:18 |
| R12.htm | 43210 | 2012-05-14 13:06:18 |
| R13.htm | 12916 | 2012-05-14 13:06:18 |
| R2.htm | 47950 | 2012-05-14 13:06:18 |
| R3.htm | 104810 | 2012-05-14 13:06:18 |
| R4.htm | 32367 | 2012-05-14 13:06:18 |
| R5.htm | 93170 | 2012-05-14 13:06:18 |
| R6.htm | 7029 | 2012-05-14 13:06:18 |
| R7.htm | 18479 | 2012-05-14 13:06:18 |
| R8.htm | 8497 | 2012-05-14 13:06:18 |
| R9.htm | 8323 | 2012-05-14 13:06:18 |
| report.css | 2721 | 2012-05-14 13:06:18 |
| Show.js | 6423 | 2012-05-14 13:06:18 |