Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000010254-21-000074-index-headers.html | 2021-04-09 16:06:06 | |
| 0000010254-21-000074-index.html | 2021-04-09 16:06:06 | |
| 0000010254-21-000074.txt | 2021-04-09 16:06:06 | |
 0000010254-21-000074-xbrl.zip | 57929 | 2021-04-09 16:06:06 |
| este-20201231.htm | 532010 | 2021-04-09 16:06:06 |
| este-20201231.xsd | 2601 | 2021-04-09 16:06:06 |
| este-20201231_cal.xml | 738 | 2021-04-09 16:06:06 |
| este-20201231_def.xml | 22032 | 2021-04-09 16:06:06 |
 este-20201231_g1.jpg | 2565 | 2021-04-09 16:06:06 |
| este-20201231_htm.xml | 19531 | 2021-04-09 16:06:06 |
| este-20201231_lab.xml | 42896 | 2021-04-09 16:06:06 |
| este-20201231_pre.xml | 23433 | 2021-04-09 16:06:06 |
| exhibit313-202010kxa.htm | 4678 | 2021-04-09 16:06:06 |
| exhibit314-202010kxa.htm | 4539 | 2021-04-09 16:06:06 |
| FilingSummary.xml | 1914 | 2021-04-09 16:06:06 |
| Financial_Report.xlsx | 6685 | 2021-04-09 16:06:06 |
| MetaLinks.json | 29982 | 2021-04-09 16:06:06 |
| R1.htm | 69358 | 2021-04-09 16:06:06 |
| report.css | 2767 | 2021-04-09 16:06:06 |
| Show.js | 1085 | 2021-04-09 16:06:06 |