Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-055008-index-headers.html | 2023-10-25 08:22:19 | |
| 0000950170-23-055008-index.html | 2023-10-25 08:22:19 | |
| 0000950170-23-055008.txt | 2023-10-25 08:22:19 | |
 0000950170-23-055008-xbrl.zip | 32574 | 2023-10-25 08:22:19 |
| cofs-20231025.htm | 53740 | 2023-10-25 08:22:19 |
| cofs-20231025.xsd | 2398 | 2023-10-25 08:22:19 |
| cofs-20231025_htm.xml | 4509 | 2023-10-25 08:22:19 |
| cofs-20231025_lab.xml | 12798 | 2023-10-25 08:22:19 |
| cofs-20231025_pre.xml | 10483 | 2023-10-25 08:22:19 |
| cofs-ex99_1.htm | 1094630 | 2023-10-25 08:22:19 |
| FilingSummary.xml | 1665 | 2023-10-25 08:22:19 |
| Financial_Report.xlsx | 5669 | 2023-10-25 08:22:19 |
 img110299532_0.jpg | 7744 | 2023-10-25 08:22:19 |
| MetaLinks.json | 17010 | 2023-10-25 08:22:19 |
| R1.htm | 38071 | 2023-10-25 08:22:19 |
| report.css | 2767 | 2023-10-25 08:22:19 |
| Show.js | 1085 | 2023-10-25 08:22:19 |