Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000924168-22-000095-index-headers.html | 2022-12-09 16:42:08 | |
| 0000924168-22-000095-index.html | 2022-12-09 16:42:08 | |
| 0000924168-22-000095.txt | 2022-12-09 16:42:08 | |
 0000924168-22-000095-xbrl.zip | 15142 | 2022-12-09 16:42:08 |
| a20221206ex101jhpromissory.htm | 21405 | 2022-12-09 16:42:08 |
| efoi-20221206.htm | 38887 | 2022-12-09 16:42:08 |
| efoi-20221206.xsd | 1920 | 2022-12-09 16:42:08 |
| efoi-20221206_htm.xml | 10833 | 2022-12-09 16:42:08 |
| efoi-20221206_lab.xml | 23832 | 2022-12-09 16:42:08 |
| efoi-20221206_pre.xml | 12520 | 2022-12-09 16:42:08 |
| FilingSummary.xml | 1876 | 2022-12-09 16:42:08 |
| Financial_Report.xlsx | 5689 | 2022-12-09 16:42:08 |
| MetaLinks.json | 16644 | 2022-12-09 16:42:08 |
| R1.htm | 38107 | 2022-12-09 16:42:08 |
| report.css | 2767 | 2022-12-09 16:42:08 |
| Show.js | 1084 | 2022-12-09 16:42:08 |