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| 0001628280-24-012713.txt | 2024-03-22 15:24:31 | |
 0001628280-24-012713-xbrl.zip | 330007 | 2024-03-22 15:24:31 |
| efoi-20231231.htm | 1727998 | 2024-03-22 15:24:31 |
| efoi-20231231.xsd | 76380 | 2024-03-22 15:24:31 |
| efoi-20231231_cal.xml | 80174 | 2024-03-22 15:24:31 |
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| Financial_Report.xlsx | 141587 | 2024-03-22 15:24:31 |
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| report.css | 2768 | 2024-03-22 15:24:31 |
| Show.js | 1086 | 2024-03-22 15:24:31 |