Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000924168-21-000004-index-headers.html | 2021-01-21 16:39:40 | |
| 0000924168-21-000004-index.html | 2021-01-21 16:39:40 | |
| 0000924168-21-000004.txt | 2021-01-21 16:39:40 | |
 0000924168-21-000004-xbrl.zip | 14784 | 2021-01-21 16:39:40 |
| efoi-20210121.htm | 44843 | 2021-01-21 16:39:40 |
| efoi-20210121.xsd | 2441 | 2021-01-21 16:39:40 |
| efoi-20210121_cal.xml | 722 | 2021-01-21 16:39:40 |
| efoi-20210121_def.xml | 1655 | 2021-01-21 16:39:40 |
| efoi-20210121_htm.xml | 10779 | 2021-01-21 16:39:40 |
| efoi-20210121_lab.xml | 23970 | 2021-01-21 16:39:40 |
| efoi-20210121_pre.xml | 12658 | 2021-01-21 16:39:40 |
| FilingSummary.xml | 1683 | 2021-01-21 16:39:40 |
| Financial_Report.xlsx | 5447 | 2021-01-21 16:39:40 |
| MetaLinks.json | 17385 | 2021-01-21 16:39:40 |
| R1.htm | 38618 | 2021-01-21 16:39:40 |
| report.css | 2767 | 2021-01-21 16:39:40 |
| Show.js | 1085 | 2021-01-21 16:39:40 |