Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-25-009075-index-headers.html | 2025-03-25 12:34:35 | |
| 0001437749-25-009075-index.html | 2025-03-25 12:34:35 | |
| 0001437749-25-009075.txt | 2025-03-25 12:34:35 | |
 0001437749-25-009075-xbrl.zip | 140447 | 2025-03-25 12:34:35 |
| ckx-20241231.xsd | 43995 | 2025-03-25 12:34:35 |
| ckx-20241231_cal.xml | 35598 | 2025-03-25 12:34:35 |
| ckx-20241231_def.xml | 289072 | 2025-03-25 12:34:35 |
| ckx-20241231_lab.xml | 246349 | 2025-03-25 12:34:35 |
| ckx-20241231_pre.xml | 311080 | 2025-03-25 12:34:35 |
| ckx20241231_10k.htm | 957274 | 2025-03-25 12:34:35 |
| ckx20241231_10k_htm.xml | 666666 | 2025-03-25 12:34:35 |
| ex_790656.htm | 11941 | 2025-03-25 12:34:35 |
| ex_790657.htm | 11934 | 2025-03-25 12:34:35 |
| ex_790658.htm | 4237 | 2025-03-25 12:34:35 |
| ex_790659.htm | 4258 | 2025-03-25 12:34:35 |
| ex_791896.htm | 75253 | 2025-03-25 12:34:35 |
| FilingSummary.xml | 29616 | 2025-03-25 12:34:35 |
| Financial_Report.xlsx | 64485 | 2025-03-25 12:34:35 |
| MetaLinks.json | 621441 | 2025-03-25 12:34:35 |
| R1.htm | 68564 | 2025-03-25 12:34:35 |
| R10.htm | 31285 | 2025-03-25 12:34:35 |
| R11.htm | 18790 | 2025-03-25 12:34:35 |
| R12.htm | 25129 | 2025-03-25 12:34:35 |
| R13.htm | 19270 | 2025-03-25 12:34:35 |
| R14.htm | 85013 | 2025-03-25 12:34:35 |
| R15.htm | 15677 | 2025-03-25 12:34:35 |
| R16.htm | 40394 | 2025-03-25 12:34:35 |
| R17.htm | 10286 | 2025-03-25 12:34:35 |
| R18.htm | 9542 | 2025-03-25 12:34:35 |
| R19.htm | 69216 | 2025-03-25 12:34:35 |
| R2.htm | 83135 | 2025-03-25 12:34:35 |
| R20.htm | 6588 | 2025-03-25 12:34:35 |
| R21.htm | 21655 | 2025-03-25 12:34:35 |
| R22.htm | 16648 | 2025-03-25 12:34:35 |
| R23.htm | 22742 | 2025-03-25 12:34:35 |
| R24.htm | 19207 | 2025-03-25 12:34:35 |
| R25.htm | 75048 | 2025-03-25 12:34:35 |
| R26.htm | 14825 | 2025-03-25 12:34:35 |
| R27.htm | 39209 | 2025-03-25 12:34:35 |
| R28.htm | 20706 | 2025-03-25 12:34:35 |
| R29.htm | 8256 | 2025-03-25 12:34:35 |
| R3.htm | 12445 | 2025-03-25 12:34:35 |
| R30.htm | 14938 | 2025-03-25 12:34:35 |
| R31.htm | 5045 | 2025-03-25 12:34:35 |
| R32.htm | 14389 | 2025-03-25 12:34:35 |
| R33.htm | 3770 | 2025-03-25 12:34:35 |
| R34.htm | 8581 | 2025-03-25 12:34:35 |
| R35.htm | 8577 | 2025-03-25 12:34:35 |
| R36.htm | 22925 | 2025-03-25 12:34:35 |
| R37.htm | 14617 | 2025-03-25 12:34:35 |
| R38.htm | 70051 | 2025-03-25 12:34:35 |
| R39.htm | 14247 | 2025-03-25 12:34:35 |
| R4.htm | 97881 | 2025-03-25 12:34:35 |
| R40.htm | 3874 | 2025-03-25 12:34:35 |
| R41.htm | 7591 | 2025-03-25 12:34:35 |
| R42.htm | 17626 | 2025-03-25 12:34:35 |
| R43.htm | 14793 | 2025-03-25 12:34:35 |
| R44.htm | 11823 | 2025-03-25 12:34:35 |
| R45.htm | 27443 | 2025-03-25 12:34:35 |
| R5.htm | 36157 | 2025-03-25 12:34:35 |
| R6.htm | 66297 | 2025-03-25 12:34:35 |
| R7.htm | 11159 | 2025-03-25 12:34:35 |
| R8.htm | 33331 | 2025-03-25 12:34:35 |
| R9.htm | 35731 | 2025-03-25 12:34:35 |
| report.css | 2767 | 2025-03-25 12:34:35 |
| Show.js | 1085 | 2025-03-25 12:34:35 |