Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-22-011247-index-headers.html | 2022-05-06 10:36:40 | |
| 0001437749-22-011247-index.html | 2022-05-06 10:36:40 | |
| 0001437749-22-011247.txt | 2022-05-06 10:36:40 | |
 0001437749-22-011247-xbrl.zip | 65913 | 2022-05-06 10:36:40 |
| ckx-20220331.xsd | 24677 | 2022-05-06 10:36:40 |
| ckx-20220331_cal.xml | 22700 | 2022-05-06 10:36:40 |
| ckx-20220331_def.xml | 155032 | 2022-05-06 10:36:40 |
| ckx-20220331_lab.xml | 139638 | 2022-05-06 10:36:40 |
| ckx-20220331_pre.xml | 169709 | 2022-05-06 10:36:40 |
| ckx20220331_10q.htm | 458638 | 2022-05-06 10:36:40 |
| ckx20220331_10q_htm.xml | 336575 | 2022-05-06 10:36:40 |
| ex_369649.htm | 12458 | 2022-05-06 10:36:40 |
| ex_369650.htm | 4424 | 2022-05-06 10:36:40 |
| FilingSummary.xml | 17529 | 2022-05-06 10:36:40 |
| Financial_Report.xlsx | 32125 | 2022-05-06 10:36:40 |
| MetaLinks.json | 288135 | 2022-05-06 10:36:40 |
| R1.htm | 52581 | 2022-05-06 10:36:40 |
| R10.htm | 57460 | 2022-05-06 10:36:40 |
| R11.htm | 8058 | 2022-05-06 10:36:40 |
| R12.htm | 7637 | 2022-05-06 10:36:40 |
| R13.htm | 14200 | 2022-05-06 10:36:40 |
| R14.htm | 26939 | 2022-05-06 10:36:40 |
| R15.htm | 18832 | 2022-05-06 10:36:40 |
| R16.htm | 14532 | 2022-05-06 10:36:40 |
| R17.htm | 52009 | 2022-05-06 10:36:40 |
| R18.htm | 13608 | 2022-05-06 10:36:40 |
| R19.htm | 5141 | 2022-05-06 10:36:40 |
| R2.htm | 72559 | 2022-05-06 10:36:40 |
| R20.htm | 14564 | 2022-05-06 10:36:40 |
| R21.htm | 7964 | 2022-05-06 10:36:40 |
| R22.htm | 13815 | 2022-05-06 10:36:40 |
| R23.htm | 14067 | 2022-05-06 10:36:40 |
| R24.htm | 61819 | 2022-05-06 10:36:40 |
| R25.htm | 10008 | 2022-05-06 10:36:40 |
| R26.htm | 14014 | 2022-05-06 10:36:40 |
| R3.htm | 9320 | 2022-05-06 10:36:40 |
| R4.htm | 82305 | 2022-05-06 10:36:40 |
| R5.htm | 21962 | 2022-05-06 10:36:40 |
| R6.htm | 55483 | 2022-05-06 10:36:40 |
| R7.htm | 18432 | 2022-05-06 10:36:40 |
| R8.htm | 26425 | 2022-05-06 10:36:40 |
| R9.htm | 17272 | 2022-05-06 10:36:40 |
| report.css | 2767 | 2022-05-06 10:36:40 |
| Show.js | 1085 | 2022-05-06 10:36:40 |