Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000924168-21-000002-index-headers.html | 2021-01-19 16:55:53 | |
| 0000924168-21-000002-index.html | 2021-01-19 16:55:53 | |
| 0000924168-21-000002.txt | 2021-01-19 16:55:53 | |
 0000924168-21-000002-xbrl.zip | 16341 | 2021-01-19 16:55:53 |
| efoi-20210119.htm | 53488 | 2021-01-19 16:55:53 |
| efoi-20210119.xsd | 2441 | 2021-01-19 16:55:53 |
| efoi-20210119_cal.xml | 722 | 2021-01-19 16:55:53 |
| efoi-20210119_def.xml | 1655 | 2021-01-19 16:55:53 |
| efoi-20210119_htm.xml | 10779 | 2021-01-19 16:55:53 |
| efoi-20210119_lab.xml | 23970 | 2021-01-19 16:55:53 |
| efoi-20210119_pre.xml | 12658 | 2021-01-19 16:55:53 |
| FilingSummary.xml | 1683 | 2021-01-19 16:55:53 |
| Financial_Report.xlsx | 5447 | 2021-01-19 16:55:53 |
| MetaLinks.json | 17385 | 2021-01-19 16:55:53 |
| R1.htm | 38618 | 2021-01-19 16:55:53 |
| report.css | 2767 | 2021-01-19 16:55:53 |
| Show.js | 1085 | 2021-01-19 16:55:53 |