Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-23-067785-index-headers.html | 2023-03-10 17:26:00 | |
| 0001193125-23-067785-index.html | 2023-03-10 17:26:00 | |
| 0001193125-23-067785.txt | 2023-03-10 17:26:00 | |
 0001193125-23-067785-xbrl.zip | 7560 | 2023-03-10 17:26:00 |
| cers-20230310.xsd | 2844 | 2023-03-10 17:26:00 |
| cers-20230310_lab.xml | 17994 | 2023-03-10 17:26:00 |
| cers-20230310_pre.xml | 11257 | 2023-03-10 17:26:00 |
| d477244d8k.htm | 22207 | 2023-03-10 17:26:00 |
| d477244d8k_htm.xml | 3384 | 2023-03-10 17:26:00 |
| FilingSummary.xml | 1906 | 2023-03-10 17:26:00 |
| Financial_Report.xlsx | 5705 | 2023-03-10 17:26:00 |
| MetaLinks.json | 18773 | 2023-03-10 17:26:00 |
| R1.htm | 39611 | 2023-03-10 17:26:00 |
| report.css | 2766 | 2023-03-10 17:26:00 |
| Show.js | 1084 | 2023-03-10 17:26:00 |