Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000924168-22-000088-index-headers.html | 2022-11-10 08:18:32 | |
| 0000924168-22-000088-index.html | 2022-11-10 08:18:32 | |
| 0000924168-22-000088.txt | 2022-11-10 08:18:32 | |
 0000924168-22-000088-xbrl.zip | 313014 | 2022-11-10 08:18:32 |
| a20220930exhibit10110-q.htm | 24903 | 2022-11-10 08:18:32 |
| a20220930exhibit10310-q.htm | 26327 | 2022-11-10 08:18:32 |
| a20220930exhibit10410-q.htm | 21139 | 2022-11-10 08:18:32 |
| a20220930exhibit10510-q.htm | 21143 | 2022-11-10 08:18:32 |
| a20220930exhibit31110-q.htm | 9881 | 2022-11-10 08:18:32 |
| a20220930exhibit32110-q.htm | 6471 | 2022-11-10 08:18:32 |
| efoi-20220930.htm | 1660470 | 2022-11-10 08:18:32 |
| efoi-20220930.xsd | 55068 | 2022-11-10 08:18:32 |
| efoi-20220930_cal.xml | 63249 | 2022-11-10 08:18:32 |
| efoi-20220930_def.xml | 316760 | 2022-11-10 08:18:32 |
| efoi-20220930_htm.xml | 1342900 | 2022-11-10 08:18:32 |
| efoi-20220930_lab.xml | 654859 | 2022-11-10 08:18:32 |
| efoi-20220930_pre.xml | 471852 | 2022-11-10 08:18:32 |
 ef_logoxtaglinelockupxcmyka.jpg | 29341 | 2022-11-10 08:18:32 |
| FilingSummary.xml | 40221 | 2022-11-10 08:18:32 |
| Financial_Report.xlsx | 115734 | 2022-11-10 08:18:32 |
| MetaLinks.json | 654747 | 2022-11-10 08:18:32 |
| R1.htm | 53111 | 2022-11-10 08:18:32 |
| R10.htm | 26313 | 2022-11-10 08:18:32 |
| R11.htm | 21586 | 2022-11-10 08:18:32 |
| R12.htm | 133965 | 2022-11-10 08:18:32 |
| R13.htm | 23207 | 2022-11-10 08:18:32 |
| R14.htm | 9679 | 2022-11-10 08:18:32 |
| R15.htm | 69523 | 2022-11-10 08:18:32 |
| R16.htm | 5924 | 2022-11-10 08:18:32 |
| R17.htm | 8292 | 2022-11-10 08:18:32 |
| R18.htm | 6459 | 2022-11-10 08:18:32 |
| R19.htm | 9693 | 2022-11-10 08:18:32 |
| R2.htm | 108803 | 2022-11-10 08:18:32 |
| R20.htm | 51004 | 2022-11-10 08:18:32 |
| R21.htm | 47060 | 2022-11-10 08:18:32 |
| R22.htm | 9984 | 2022-11-10 08:18:32 |
| R23.htm | 26564 | 2022-11-10 08:18:32 |
| R24.htm | 20037 | 2022-11-10 08:18:32 |
| R25.htm | 78974 | 2022-11-10 08:18:32 |
| R26.htm | 63842 | 2022-11-10 08:18:32 |
| R27.htm | 40225 | 2022-11-10 08:18:32 |
| R28.htm | 16468 | 2022-11-10 08:18:32 |
| R29.htm | 9324 | 2022-11-10 08:18:32 |
| R3.htm | 22231 | 2022-11-10 08:18:32 |
| R30.htm | 25483 | 2022-11-10 08:18:32 |
| R31.htm | 11657 | 2022-11-10 08:18:32 |
| R32.htm | 10872 | 2022-11-10 08:18:32 |
| R33.htm | 12196 | 2022-11-10 08:18:32 |
| R34.htm | 85541 | 2022-11-10 08:18:32 |
| R35.htm | 29482 | 2022-11-10 08:18:32 |
| R36.htm | 8433 | 2022-11-10 08:18:32 |
| R37.htm | 10924 | 2022-11-10 08:18:32 |
| R38.htm | 10017 | 2022-11-10 08:18:32 |
| R39.htm | 5088 | 2022-11-10 08:18:32 |
| R4.htm | 81517 | 2022-11-10 08:18:32 |
| R40.htm | 50803 | 2022-11-10 08:18:32 |
| R41.htm | 11836 | 2022-11-10 08:18:32 |
| R42.htm | 16043 | 2022-11-10 08:18:32 |
| R43.htm | 15246 | 2022-11-10 08:18:32 |
| R44.htm | 19229 | 2022-11-10 08:18:32 |
| R45.htm | 8948 | 2022-11-10 08:18:32 |
| R46.htm | 46899 | 2022-11-10 08:18:32 |
| R47.htm | 11718 | 2022-11-10 08:18:32 |
| R48.htm | 58763 | 2022-11-10 08:18:32 |
| R49.htm | 11566 | 2022-11-10 08:18:32 |
| R5.htm | 88313 | 2022-11-10 08:18:32 |
| R50.htm | 14893 | 2022-11-10 08:18:32 |
| R51.htm | 50584 | 2022-11-10 08:18:32 |
| R52.htm | 19236 | 2022-11-10 08:18:32 |
| R53.htm | 45659 | 2022-11-10 08:18:32 |
| R54.htm | 48280 | 2022-11-10 08:18:32 |
| R55.htm | 20777 | 2022-11-10 08:18:32 |
| R56.htm | 16943 | 2022-11-10 08:18:32 |
| R57.htm | 16944 | 2022-11-10 08:18:32 |
| R58.htm | 41513 | 2022-11-10 08:18:32 |
| R59.htm | 25455 | 2022-11-10 08:18:32 |
| R6.htm | 97388 | 2022-11-10 08:18:32 |
| R60.htm | 8005 | 2022-11-10 08:18:32 |
| R61.htm | 16106 | 2022-11-10 08:18:32 |
| R62.htm | 15715 | 2022-11-10 08:18:32 |
| R63.htm | 33416 | 2022-11-10 08:18:32 |
| R7.htm | 6717 | 2022-11-10 08:18:32 |
| R8.htm | 74928 | 2022-11-10 08:18:32 |
| R9.htm | 26671 | 2022-11-10 08:18:32 |
| report.css | 2767 | 2022-11-10 08:18:32 |
| Show.js | 1085 | 2022-11-10 08:18:32 |