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| 0001564590-19-016628-index.html | 2019-05-07 17:20:04 | |
| 0001564590-19-016628.txt | 2019-05-07 17:20:04 | |
 0001564590-19-016628-xbrl.zip | 146188 | 2019-05-07 17:20:04 |
| cers-10q_20190331.htm | 2121949 | 2019-05-07 17:20:04 |
| cers-20190331.xml | 1675526 | 2019-05-07 17:20:04 |
| cers-20190331.xsd | 59129 | 2019-05-07 17:20:04 |
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| cers-ex321_6.htm | 5935 | 2019-05-07 17:20:04 |
| FilingSummary.xml | 35046 | 2019-05-07 17:20:04 |
| Financial_Report.xlsx | 75345 | 2019-05-07 17:20:04 |
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| report.css | 2767 | 2019-05-07 17:20:04 |
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