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| 0001628280-25-023220-index.html | 2025-05-07 16:37:14 | |
| 0001628280-25-023220.txt | 2025-05-07 16:37:14 | |
 0001628280-25-023220-xbrl.zip | 377887 | 2025-05-07 16:37:14 |
| cpk-20250331.htm | 1879601 | 2025-05-07 16:37:14 |
| cpk-20250331.xsd | 113289 | 2025-05-07 16:37:14 |
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| cpk-20250331_lab.xml | 1023911 | 2025-05-07 16:37:14 |
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| report.css | 2767 | 2025-05-07 16:37:14 |
| Show.js | 1085 | 2025-05-07 16:37:14 |