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|---|---|---|
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| 0000924168-20-000030-index.html | 2020-05-13 08:24:29 | |
| 0000924168-20-000030.txt | 2020-05-13 08:24:29 | |
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| efoi-20200513.htm | 49854 | 2020-05-13 08:24:29 |
| efoi-20200513.xsd | 2582 | 2020-05-13 08:24:29 |
| efoi-20200513_cal.xml | 722 | 2020-05-13 08:24:29 |
| efoi-20200513_def.xml | 1655 | 2020-05-13 08:24:29 |
| efoi-20200513_htm.xml | 12111 | 2020-05-13 08:24:29 |
| efoi-20200513_lab.xml | 24993 | 2020-05-13 08:24:29 |
| efoi-20200513_pre.xml | 13202 | 2020-05-13 08:24:29 |
| ex991efoi1q2020earning.htm | 378064 | 2020-05-13 08:24:29 |
| FilingSummary.xml | 1727 | 2020-05-13 08:24:29 |
| Financial_Report.xlsx | 5830 | 2020-05-13 08:24:29 |
 logoa191.jpg | 14267 | 2020-05-13 08:24:29 |
| MetaLinks.json | 18592 | 2020-05-13 08:24:29 |
| R1.htm | 41315 | 2020-05-13 08:24:29 |
| report.css | 2767 | 2020-05-13 08:24:29 |
| Show.js | 1085 | 2020-05-13 08:24:29 |