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|---|---|---|
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| 0000924168-18-000032-index.html | 2018-05-02 08:13:39 | |
| 0000924168-18-000032.txt | 2018-05-02 08:13:39 | |
 0000924168-18-000032-xbrl.zip | 108149 | 2018-05-02 08:13:39 |
| a2018033110-qdocument.htm | 606076 | 2018-05-02 08:13:39 |
| a20180331exhibit31110-q.htm | 12194 | 2018-05-02 08:13:39 |
| a20180331exhibit31210-q.htm | 12230 | 2018-05-02 08:13:39 |
| a20180331exhibit32110-q.htm | 11091 | 2018-05-02 08:13:39 |
| efoi-20180331.xml | 544669 | 2018-05-02 08:13:39 |
| efoi-20180331.xsd | 24237 | 2018-05-02 08:13:39 |
| efoi-20180331_cal.xml | 55967 | 2018-05-02 08:13:39 |
| efoi-20180331_def.xml | 101985 | 2018-05-02 08:13:39 |
| efoi-20180331_lab.xml | 398176 | 2018-05-02 08:13:39 |
| efoi-20180331_pre.xml | 231287 | 2018-05-02 08:13:39 |
| FilingSummary.xml | 22637 | 2018-05-02 08:13:39 |
| Financial_Report.xlsx | 42226 | 2018-05-02 08:13:39 |
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| R9999.htm | 7808 | 2018-05-02 08:13:39 |
| report.css | 2767 | 2018-05-02 08:13:39 |
| Show.js | 1410 | 2018-05-02 08:13:39 |