Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-22-285804-index-headers.html | 2022-11-15 16:41:04 | |
| 0001193125-22-285804-index.html | 2022-11-15 16:41:04 | |
| 0001193125-22-285804.txt | 2022-11-15 16:41:04 | |
 0001193125-22-285804-xbrl.zip | 51126 | 2022-11-15 16:41:04 |
| d409045d8k.htm | 28178 | 2022-11-15 16:41:04 |
| d409045d8k_htm.xml | 3214 | 2022-11-15 16:41:04 |
| d409045dex11.htm | 231484 | 2022-11-15 16:41:04 |
| d409045dex51.htm | 6123 | 2022-11-15 16:41:04 |
| d409045dex991.htm | 5444 | 2022-11-15 16:41:04 |
| ecvt-20221114.xsd | 2858 | 2022-11-15 16:41:04 |
| ecvt-20221114_lab.xml | 17237 | 2022-11-15 16:41:04 |
| ecvt-20221114_pre.xml | 10814 | 2022-11-15 16:41:04 |
| FilingSummary.xml | 1801 | 2022-11-15 16:41:04 |
| Financial_Report.xlsx | 5687 | 2022-11-15 16:41:04 |
 g409045g1116005159344.jpg | 2293 | 2022-11-15 16:41:04 |
| MetaLinks.json | 17708 | 2022-11-15 16:41:04 |
| R1.htm | 38100 | 2022-11-15 16:41:04 |
| report.css | 2767 | 2022-11-15 16:41:04 |
| Show.js | 1085 | 2022-11-15 16:41:04 |