Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001140361-20-019026-index-headers.html | 2020-08-25 16:21:29 | |
| 0001140361-20-019026-index.html | 2020-08-25 16:21:29 | |
| 0001140361-20-019026.txt | 2020-08-25 16:21:29 | |
 0001140361-20-019026-xbrl.zip | 97841 | 2020-08-25 16:21:29 |
| cva-20200825.xsd | 4189 | 2020-08-25 16:21:29 |
| cva-20200825_lab.xml | 22718 | 2020-08-25 16:21:29 |
| cva-20200825_pre.xml | 16213 | 2020-08-25 16:21:29 |
| FilingSummary.xml | 1793 | 2020-08-25 16:21:29 |
| Financial_Report.xlsx | 5465 | 2020-08-25 16:21:29 |
| MetaLinks.json | 20713 | 2020-08-25 16:21:29 |
| nc10014635x1_8k.htm | 27276 | 2020-08-25 16:21:29 |
| nc10014635x1_8k_htm.xml | 4066 | 2020-08-25 16:21:29 |
| nc10014635x1_ex4-2.htm | 492697 | 2020-08-25 16:21:29 |
| nc10014635x1_ex5-1.htm | 8295 | 2020-08-25 16:21:29 |
 nc10014635x1_ex5-1img001.jpg | 84419 | 2020-08-25 16:21:29 |
| nc10014635x1_ex99-1.htm | 13344 | 2020-08-25 16:21:29 |
 nc10014635x1_ex99-1img001.jpg | 63609 | 2020-08-25 16:21:29 |
| R1.htm | 38631 | 2020-08-25 16:21:29 |
| report.css | 2767 | 2020-08-25 16:21:29 |
| Show.js | 1085 | 2020-08-25 16:21:29 |