Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-20-032004-index-headers.html | 2020-03-11 17:14:22 | |
| 0001104659-20-032004-index.html | 2020-03-11 17:14:22 | |
| 0001104659-20-032004.txt | 2020-03-11 17:14:22 | |
 0001104659-20-032004-xbrl.zip | 98351 | 2020-03-11 17:14:22 |
| ckpt-20191231.xml | 807340 | 2020-03-11 17:14:22 |
| ckpt-20191231.xsd | 38434 | 2020-03-11 17:14:22 |
| ckpt-20191231_cal.xml | 32495 | 2020-03-11 17:14:22 |
| ckpt-20191231_def.xml | 145841 | 2020-03-11 17:14:22 |
| ckpt-20191231_lab.xml | 267557 | 2020-03-11 17:14:22 |
| ckpt-20191231_pre.xml | 244556 | 2020-03-11 17:14:22 |
| FilingSummary.xml | 20310 | 2020-03-11 17:14:22 |
| Financial_Report.xlsx | 54141 | 2020-03-11 17:14:22 |
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| R10.htm | 10844 | 2020-03-11 17:14:22 |
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| R9.htm | 20843 | 2020-03-11 17:14:22 |
| report.css | 2767 | 2020-03-11 17:14:22 |
| Show.js | 1085 | 2020-03-11 17:14:22 |
| tm205356d1_10k.htm | 873438 | 2020-03-11 17:14:22 |
| tm205356d1_ex23-1.htm | 2560 | 2020-03-11 17:14:22 |
| tm205356d1_ex31-1.htm | 8814 | 2020-03-11 17:14:22 |
| tm205356d1_ex31-2.htm | 8545 | 2020-03-11 17:14:22 |
| tm205356d1_ex32-1.htm | 4501 | 2020-03-11 17:14:22 |
| tm205356d1_ex32-2.htm | 4362 | 2020-03-11 17:14:22 |
| tm205356d1_ex4-3.htm | 54505 | 2020-03-11 17:14:22 |