Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001193125-22-276881-index.html | 2022-11-03 16:08:33 | |
| 0001193125-22-276881.txt | 2022-11-03 16:08:33 | |
 0001193125-22-276881-xbrl.zip | 20782 | 2022-11-03 16:08:33 |
| cers-20221103.xsd | 2851 | 2022-11-03 16:08:33 |
| cers-20221103_lab.xml | 17995 | 2022-11-03 16:08:33 |
| cers-20221103_pre.xml | 11258 | 2022-11-03 16:08:33 |
| d306498d8k.htm | 26291 | 2022-11-03 16:08:33 |
| d306498d8k_htm.xml | 3384 | 2022-11-03 16:08:33 |
| d306498dex991.htm | 139047 | 2022-11-03 16:08:33 |
| FilingSummary.xml | 1943 | 2022-11-03 16:08:33 |
| Financial_Report.xlsx | 5706 | 2022-11-03 16:08:33 |
 g306498g00i36.jpg | 2430 | 2022-11-03 16:08:33 |
| MetaLinks.json | 18273 | 2022-11-03 16:08:33 |
| R1.htm | 39622 | 2022-11-03 16:08:33 |
| report.css | 2767 | 2022-11-03 16:08:33 |
| Show.js | 1085 | 2022-11-03 16:08:33 |