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| 0001564590-19-028037-index.html | 2019-08-01 17:11:31 | |
| 0001564590-19-028037.txt | 2019-08-01 17:11:31 | |
 0001564590-19-028037-xbrl.zip | 280849 | 2019-08-01 17:11:31 |
| cers-10q_20190630.htm | 2831130 | 2019-08-01 17:11:31 |
| cers-10q_20190630_htm.xml | 1938206 | 2019-08-01 17:11:31 |
| cers-20190630.xsd | 60557 | 2019-08-01 17:11:31 |
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| cers-20190630_def.xml | 193079 | 2019-08-01 17:11:31 |
| cers-20190630_lab.xml | 462156 | 2019-08-01 17:11:31 |
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| cers-ex321_8.htm | 5937 | 2019-08-01 17:11:31 |
| FilingSummary.xml | 35510 | 2019-08-01 17:11:31 |
| Financial_Report.xlsx | 77786 | 2019-08-01 17:11:31 |
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| report.css | 2767 | 2019-08-01 17:11:31 |
| Show.js | 1085 | 2019-08-01 17:11:31 |