Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-20-011822-index-headers.html | 2020-08-05 16:54:22 | |
| 0001628280-20-011822-index.html | 2020-08-05 16:54:22 | |
| 0001628280-20-011822.txt | 2020-08-05 16:54:22 | |
 0001628280-20-011822-xbrl.zip | 574952 | 2020-08-05 16:54:22 |
| cpk-20200630.xsd | 99148 | 2020-08-05 16:54:22 |
| cpk-20200630_cal.xml | 106972 | 2020-08-05 16:54:22 |
| cpk-20200630_def.xml | 514463 | 2020-08-05 16:54:22 |
| cpk-20200630_lab.xml | 1156828 | 2020-08-05 16:54:22 |
| cpk-20200630_pre.xml | 732054 | 2020-08-05 16:54:22 |
| cpk0630202010-q.htm | 4233213 | 2020-08-05 16:54:22 |
| cpk0630202010-q_htm.xml | 4591148 | 2020-08-05 16:54:22 |
| cpk06302020ex-101.htm | 626719 | 2020-08-05 16:54:22 |
| cpk06302020ex-102.htm | 363241 | 2020-08-05 16:54:22 |
| cpk06302020ex-103.htm | 74661 | 2020-08-05 16:54:22 |
| cpk06302020ex-104.htm | 80597 | 2020-08-05 16:54:22 |
| cpk06302020ex-311.htm | 12051 | 2020-08-05 16:54:22 |
| cpk06302020ex-312.htm | 11990 | 2020-08-05 16:54:22 |
| cpk06302020ex-321.htm | 4901 | 2020-08-05 16:54:22 |
| cpk06302020ex-322.htm | 5055 | 2020-08-05 16:54:22 |
| FilingSummary.xml | 50914 | 2020-08-05 16:54:22 |
| Financial_Report.xlsx | 147234 | 2020-08-05 16:54:22 |
| MetaLinks.json | 863451 | 2020-08-05 16:54:22 |
| R1.htm | 52246 | 2020-08-05 16:54:22 |
| R10.htm | 25906 | 2020-08-05 16:54:22 |
| R11.htm | 72067 | 2020-08-05 16:54:22 |
| R12.htm | 112856 | 2020-08-05 16:54:22 |
| R13.htm | 384767 | 2020-08-05 16:54:22 |
| R14.htm | 47193 | 2020-08-05 16:54:22 |
| R15.htm | 15084 | 2020-08-05 16:54:22 |
| R16.htm | 14648 | 2020-08-05 16:54:22 |
| R17.htm | 97884 | 2020-08-05 16:54:22 |
| R18.htm | 129317 | 2020-08-05 16:54:22 |
| R19.htm | 302426 | 2020-08-05 16:54:22 |
| R2.htm | 81993 | 2020-08-05 16:54:22 |
| R20.htm | 15110 | 2020-08-05 16:54:22 |
| R21.htm | 50531 | 2020-08-05 16:54:22 |
| R22.htm | 86753 | 2020-08-05 16:54:22 |
| R23.htm | 101707 | 2020-08-05 16:54:22 |
| R24.htm | 64401 | 2020-08-05 16:54:22 |
| R25.htm | 71012 | 2020-08-05 16:54:22 |
| R26.htm | 89310 | 2020-08-05 16:54:22 |
| R27.htm | 29260 | 2020-08-05 16:54:22 |
| R28.htm | 11153 | 2020-08-05 16:54:22 |
| R29.htm | 72283 | 2020-08-05 16:54:22 |
| R3.htm | 26094 | 2020-08-05 16:54:22 |
| R30.htm | 55112 | 2020-08-05 16:54:22 |
| R31.htm | 384109 | 2020-08-05 16:54:22 |
| R32.htm | 24051 | 2020-08-05 16:54:22 |
| R33.htm | 10385 | 2020-08-05 16:54:22 |
| R34.htm | 94847 | 2020-08-05 16:54:22 |
| R35.htm | 128850 | 2020-08-05 16:54:22 |
| R36.htm | 298579 | 2020-08-05 16:54:22 |
| R37.htm | 12582 | 2020-08-05 16:54:22 |
| R38.htm | 46745 | 2020-08-05 16:54:22 |
| R39.htm | 86686 | 2020-08-05 16:54:22 |
| R4.htm | 12099 | 2020-08-05 16:54:22 |
| R40.htm | 93721 | 2020-08-05 16:54:22 |
| R41.htm | 63072 | 2020-08-05 16:54:22 |
| R42.htm | 65800 | 2020-08-05 16:54:22 |
| R43.htm | 92185 | 2020-08-05 16:54:22 |
| R44.htm | 14881 | 2020-08-05 16:54:22 |
| R45.htm | 10076 | 2020-08-05 16:54:22 |
| R46.htm | 46433 | 2020-08-05 16:54:22 |
| R47.htm | 94701 | 2020-08-05 16:54:22 |
| R48.htm | 125893 | 2020-08-05 16:54:22 |
| R49.htm | 23249 | 2020-08-05 16:54:22 |
| R5.htm | 149061 | 2020-08-05 16:54:22 |
| R50.htm | 59092 | 2020-08-05 16:54:22 |
| R51.htm | 58068 | 2020-08-05 16:54:22 |
| R52.htm | 31402 | 2020-08-05 16:54:22 |
| R53.htm | 29370 | 2020-08-05 16:54:22 |
| R54.htm | 69938 | 2020-08-05 16:54:22 |
| R55.htm | 32513 | 2020-08-05 16:54:22 |
| R56.htm | 45186 | 2020-08-05 16:54:22 |
| R57.htm | 55037 | 2020-08-05 16:54:22 |
| R58.htm | 18934 | 2020-08-05 16:54:22 |
| R59.htm | 30378 | 2020-08-05 16:54:22 |
| R6.htm | 15056 | 2020-08-05 16:54:22 |
| R60.htm | 8726 | 2020-08-05 16:54:22 |
| R61.htm | 4684 | 2020-08-05 16:54:22 |
| R62.htm | 35999 | 2020-08-05 16:54:22 |
| R63.htm | 27301 | 2020-08-05 16:54:22 |
| R64.htm | 34056 | 2020-08-05 16:54:22 |
| R65.htm | 10963 | 2020-08-05 16:54:22 |
| R66.htm | 33667 | 2020-08-05 16:54:22 |
| R67.htm | 15902 | 2020-08-05 16:54:22 |
| R68.htm | 23735 | 2020-08-05 16:54:22 |
| R69.htm | 40138 | 2020-08-05 16:54:22 |
| R7.htm | 83212 | 2020-08-05 16:54:22 |
| R70.htm | 16467 | 2020-08-05 16:54:22 |
| R71.htm | 7316 | 2020-08-05 16:54:22 |
| R72.htm | 80694 | 2020-08-05 16:54:22 |
| R73.htm | 33335 | 2020-08-05 16:54:22 |
| R74.htm | 51305 | 2020-08-05 16:54:22 |
| R75.htm | 78588 | 2020-08-05 16:54:22 |
| R76.htm | 16657 | 2020-08-05 16:54:22 |
| R77.htm | 15949 | 2020-08-05 16:54:22 |
| R78.htm | 12018 | 2020-08-05 16:54:22 |
| R79.htm | 7457 | 2020-08-05 16:54:22 |
| R8.htm | 109739 | 2020-08-05 16:54:22 |
| R80.htm | 12390 | 2020-08-05 16:54:22 |
| R81.htm | 24906 | 2020-08-05 16:54:22 |
| R9.htm | 13932 | 2020-08-05 16:54:22 |
| report.css | 2767 | 2020-08-05 16:54:22 |
| Show.js | 1085 | 2020-08-05 16:54:22 |