Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000924168-23-000094-index-headers.html | 2023-11-09 11:50:55 | |
| 0000924168-23-000094-index.html | 2023-11-09 11:50:55 | |
| 0000924168-23-000094.txt | 2023-11-09 11:50:55 | |
 0000924168-23-000094-xbrl.zip | 26701 | 2023-11-09 11:50:55 |
| efoi-20231109.htm | 29103 | 2023-11-09 11:50:55 |
| efoi-20231109.xsd | 1922 | 2023-11-09 11:50:55 |
| efoi-20231109_htm.xml | 2825 | 2023-11-09 11:50:55 |
| efoi-20231109_lab.xml | 23834 | 2023-11-09 11:50:55 |
| efoi-20231109_pre.xml | 12522 | 2023-11-09 11:50:55 |
 ef_logoxtaglinelockupxcmyk.jpg | 29341 | 2023-11-09 11:50:55 |
| ex991efoi3q2023earningsrel.htm | 286365 | 2023-11-09 11:50:55 |
| FilingSummary.xml | 1628 | 2023-11-09 11:50:55 |
| Financial_Report.xlsx | 5690 | 2023-11-09 11:50:55 |
| MetaLinks.json | 17048 | 2023-11-09 11:50:55 |
| R1.htm | 38098 | 2023-11-09 11:50:55 |
| report.css | 2767 | 2023-11-09 11:50:55 |
| Show.js | 1085 | 2023-11-09 11:50:55 |