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|---|---|---|
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| 0000950170-24-054451-index.html | 2024-05-07 16:02:24 | |
| 0000950170-24-054451.txt | 2024-05-07 16:02:24 | |
 0000950170-24-054451-xbrl.zip | 335299 | 2024-05-07 16:02:24 |
| cofs-20240331.htm | 5015855 | 2024-05-07 16:02:24 |
| cofs-20240331.xsd | 1636111 | 2024-05-07 16:02:24 |
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| cofs-ex31_2.htm | 14026 | 2024-05-07 16:02:24 |
| cofs-ex32_1.htm | 8371 | 2024-05-07 16:02:24 |
| FilingSummary.xml | 36339 | 2024-05-07 16:02:24 |
| Financial_Report.xlsx | 120210 | 2024-05-07 16:02:24 |
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| report.css | 2767 | 2024-05-07 16:02:24 |
| Show.js | 1085 | 2024-05-07 16:02:24 |