Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001426945-20-000031-index-headers.html | 2020-10-29 16:32:23 | |
| 0001426945-20-000031-index.html | 2020-10-29 16:32:23 | |
| 0001426945-20-000031.txt | 2020-10-29 16:32:23 | |
 0001426945-20-000031-xbrl.zip | 181998 | 2020-10-29 16:32:23 |
| echo-20200930.htm | 1143679 | 2020-10-29 16:32:23 |
| echo-20200930.xsd | 25062 | 2020-10-29 16:32:23 |
| echo-20200930_cal.xml | 67662 | 2020-10-29 16:32:23 |
| echo-20200930_def.xml | 161988 | 2020-10-29 16:32:23 |
| echo-20200930_htm.xml | 810192 | 2020-10-29 16:32:23 |
| echo-20200930_lab.xml | 418962 | 2020-10-29 16:32:23 |
| echo-20200930_pre.xml | 265009 | 2020-10-29 16:32:23 |
| echo-2020930x10qxex311xu.htm | 9378 | 2020-10-29 16:32:23 |
| echo-2020930x10qxex312xu.htm | 9282 | 2020-10-29 16:32:23 |
| echo-2020930x10qxex321xu.htm | 4900 | 2020-10-29 16:32:23 |
| echo-2020930x10qxex322xu.htm | 4875 | 2020-10-29 16:32:23 |
| FilingSummary.xml | 23594 | 2020-10-29 16:32:23 |
| Financial_Report.xlsx | 59217 | 2020-10-29 16:32:23 |
| MetaLinks.json | 434972 | 2020-10-29 16:32:23 |
| R1.htm | 53975 | 2020-10-29 16:32:23 |
| R10.htm | 29148 | 2020-10-29 16:32:23 |
| R11.htm | 31416 | 2020-10-29 16:32:23 |
| R12.htm | 14574 | 2020-10-29 16:32:23 |
| R13.htm | 18270 | 2020-10-29 16:32:23 |
| R14.htm | 26938 | 2020-10-29 16:32:23 |
| R15.htm | 6477 | 2020-10-29 16:32:23 |
| R16.htm | 5547 | 2020-10-29 16:32:23 |
| R17.htm | 34953 | 2020-10-29 16:32:23 |
| R18.htm | 24367 | 2020-10-29 16:32:23 |
| R19.htm | 8643 | 2020-10-29 16:32:23 |
| R2.htm | 51641 | 2020-10-29 16:32:23 |
| R20.htm | 29954 | 2020-10-29 16:32:23 |
| R21.htm | 24202 | 2020-10-29 16:32:23 |
| R22.htm | 32669 | 2020-10-29 16:32:23 |
| R23.htm | 13713 | 2020-10-29 16:32:23 |
| R24.htm | 15944 | 2020-10-29 16:32:23 |
| R25.htm | 24189 | 2020-10-29 16:32:23 |
| R26.htm | 29687 | 2020-10-29 16:32:23 |
| R27.htm | 11519 | 2020-10-29 16:32:23 |
| R28.htm | 8001 | 2020-10-29 16:32:23 |
| R29.htm | 21515 | 2020-10-29 16:32:23 |
| R3.htm | 104410 | 2020-10-29 16:32:23 |
| R30.htm | 25924 | 2020-10-29 16:32:23 |
| R31.htm | 14179 | 2020-10-29 16:32:23 |
| R32.htm | 12548 | 2020-10-29 16:32:23 |
| R33.htm | 53449 | 2020-10-29 16:32:23 |
| R34.htm | 21575 | 2020-10-29 16:32:23 |
| R35.htm | 14995 | 2020-10-29 16:32:23 |
| R36.htm | 51417 | 2020-10-29 16:32:23 |
| R37.htm | 21302 | 2020-10-29 16:32:23 |
| R38.htm | 6802 | 2020-10-29 16:32:23 |
| R39.htm | 49260 | 2020-10-29 16:32:23 |
| R4.htm | 22926 | 2020-10-29 16:32:23 |
| R40.htm | 44608 | 2020-10-29 16:32:23 |
| R5.htm | 85687 | 2020-10-29 16:32:23 |
| R6.htm | 85203 | 2020-10-29 16:32:23 |
| R7.htm | 15443 | 2020-10-29 16:32:23 |
| R8.htm | 16610 | 2020-10-29 16:32:23 |
| R9.htm | 35732 | 2020-10-29 16:32:23 |
| report.css | 2767 | 2020-10-29 16:32:23 |
| Show.js | 1085 | 2020-10-29 16:32:23 |