Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001590714-21-000019-index-headers.html | 2021-02-24 16:40:51 | |
| 0001590714-21-000019-index.html | 2021-02-24 16:40:51 | |
| 0001590714-21-000019.txt | 2021-02-24 16:40:51 | |
 0001590714-21-000019-xbrl.zip | 280401 | 2021-02-24 16:40:51 |
| aearningsreleaseex99120201.htm | 661492 | 2021-02-24 16:40:51 |
 elementlogo_regxtm-010021a.jpg | 246499 | 2021-02-24 16:40:51 |
| esi-20210224.htm | 38829 | 2021-02-24 16:40:51 |
| esi-20210224.xsd | 2711 | 2021-02-24 16:40:51 |
| esi-20210224_cal.xml | 755 | 2021-02-24 16:40:51 |
| esi-20210224_def.xml | 1696 | 2021-02-24 16:40:51 |
 esi-20210224_g1.jpg | 293021 | 2021-02-24 16:40:51 |
| esi-20210224_htm.xml | 11564 | 2021-02-24 16:40:51 |
| esi-20210224_lab.xml | 25595 | 2021-02-24 16:40:51 |
| esi-20210224_pre.xml | 13303 | 2021-02-24 16:40:51 |
| FilingSummary.xml | 1813 | 2021-02-24 16:40:51 |
| Financial_Report.xlsx | 5485 | 2021-02-24 16:40:51 |
| MetaLinks.json | 18423 | 2021-02-24 16:40:51 |
| R1.htm | 40200 | 2021-02-24 16:40:51 |
| report.css | 2767 | 2021-02-24 16:40:51 |
| Show.js | 1085 | 2021-02-24 16:40:51 |