Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000924168-23-000033-index-headers.html | 2023-03-23 08:07:41 | |
| 0000924168-23-000033-index.html | 2023-03-23 08:07:41 | |
| 0000924168-23-000033.txt | 2023-03-23 08:07:41 | |
 0000924168-23-000033-xbrl.zip | 32750 | 2023-03-23 08:07:41 |
| efoi-20230323.htm | 29740 | 2023-03-23 08:07:41 |
| efoi-20230323.xsd | 2174 | 2023-03-23 08:07:41 |
| efoi-20230323_def.xml | 5308 | 2023-03-23 08:07:41 |
| efoi-20230323_htm.xml | 4277 | 2023-03-23 08:07:41 |
| efoi-20230323_lab.xml | 26813 | 2023-03-23 08:07:41 |
| efoi-20230323_pre.xml | 16334 | 2023-03-23 08:07:41 |
 ef_logoxtaglinexlockupxcmya.jpg | 90610 | 2023-03-23 08:07:41 |
| ex991efoi4q22earningsrelea.htm | 408146 | 2023-03-23 08:07:41 |
| FilingSummary.xml | 1913 | 2023-03-23 08:07:41 |
| Financial_Report.xlsx | 5777 | 2023-03-23 08:07:41 |
| MetaLinks.json | 18970 | 2023-03-23 08:07:41 |
| R1.htm | 40926 | 2023-03-23 08:07:41 |
| report.css | 2767 | 2023-03-23 08:07:41 |
| Show.js | 1085 | 2023-03-23 08:07:41 |