Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000924168-22-000016-index-headers.html | 2022-02-24 08:02:16 | |
| 0000924168-22-000016-index.html | 2022-02-24 08:02:16 | |
| 0000924168-22-000016.txt | 2022-02-24 08:02:16 | |
 0000924168-22-000016-xbrl.zip | 16606 | 2022-02-24 08:02:16 |
| efoi-20220219.htm | 46314 | 2022-02-24 08:02:16 |
| efoi-20220219.xsd | 1920 | 2022-02-24 08:02:16 |
| efoi-20220219_htm.xml | 10834 | 2022-02-24 08:02:16 |
| efoi-20220219_lab.xml | 23832 | 2022-02-24 08:02:16 |
| efoi-20220219_pre.xml | 12520 | 2022-02-24 08:02:16 |
 ef_logoxtaglinelockupxcmyk.jpg | 454838 | 2022-02-24 08:02:16 |
| exhibit991lagartoparkerann.htm | 12972 | 2022-02-24 08:02:16 |
| FilingSummary.xml | 1662 | 2022-02-24 08:02:16 |
| Financial_Report.xlsx | 5669 | 2022-02-24 08:02:16 |
| MetaLinks.json | 16645 | 2022-02-24 08:02:16 |
| R1.htm | 38582 | 2022-02-24 08:02:16 |
| report.css | 2767 | 2022-02-24 08:02:16 |
| Show.js | 1085 | 2022-02-24 08:02:16 |