Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000858470-23-000024-index-headers.html | 2023-05-04 17:32:49 | |
| 0000858470-23-000024-index.html | 2023-05-04 17:32:49 | |
| 0000858470-23-000024.txt | 2023-05-04 17:32:49 | |
 0000858470-23-000024-xbrl.zip | 38373 | 2023-05-04 17:32:49 |
| ctra-03312023ex10_1.htm | 169028 | 2023-05-04 17:32:49 |
| ctra-20230504.htm | 88258 | 2023-05-04 17:32:49 |
| ctra-20230504.xsd | 1912 | 2023-05-04 17:32:49 |
| ctra-20230504_htm.xml | 11503 | 2023-05-04 17:32:49 |
| ctra-20230504_lab.xml | 25154 | 2023-05-04 17:32:49 |
| ctra-20230504_pre.xml | 13056 | 2023-05-04 17:32:49 |
| FilingSummary.xml | 1659 | 2023-05-04 17:32:49 |
| Financial_Report.xlsx | 5726 | 2023-05-04 17:32:49 |
| MetaLinks.json | 17661 | 2023-05-04 17:32:49 |
| R1.htm | 39633 | 2023-05-04 17:32:49 |
| report.css | 2767 | 2023-05-04 17:32:49 |
| Show.js | 1084 | 2023-05-04 17:32:49 |