Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000924168-20-000066-index-headers.html | 2020-08-13 16:32:22 | |
| 0000924168-20-000066-index.html | 2020-08-13 16:32:22 | |
| 0000924168-20-000066.txt | 2020-08-13 16:32:22 | |
 0000924168-20-000066-xbrl.zip | 33357 | 2020-08-13 16:32:22 |
| efoi-20200813.htm | 49221 | 2020-08-13 16:32:22 |
| efoi-20200813.xsd | 2441 | 2020-08-13 16:32:22 |
| efoi-20200813_cal.xml | 722 | 2020-08-13 16:32:22 |
| efoi-20200813_def.xml | 1655 | 2020-08-13 16:32:22 |
| efoi-20200813_htm.xml | 11873 | 2020-08-13 16:32:22 |
| efoi-20200813_lab.xml | 24993 | 2020-08-13 16:32:22 |
| efoi-20200813_pre.xml | 13202 | 2020-08-13 16:32:22 |
| ex991efoi2q2020earning.htm | 394289 | 2020-08-13 16:32:22 |
| FilingSummary.xml | 1727 | 2020-08-13 16:32:22 |
| Financial_Report.xlsx | 5485 | 2020-08-13 16:32:22 |
 logoa191.jpg | 14267 | 2020-08-13 16:32:22 |
| MetaLinks.json | 17933 | 2020-08-13 16:32:22 |
| R1.htm | 41322 | 2020-08-13 16:32:22 |
| report.css | 2767 | 2020-08-13 16:32:22 |
| Show.js | 1085 | 2020-08-13 16:32:22 |