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| 0001564590-19-038842-index.html | 2019-10-30 17:24:55 | |
| 0001564590-19-038842.txt | 2019-10-30 17:24:55 | |
 0001564590-19-038842-xbrl.zip | 258867 | 2019-10-30 17:24:55 |
| cers-10q_20190930.htm | 2842095 | 2019-10-30 17:24:55 |
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| Financial_Report.xlsx | 77901 | 2019-10-30 17:24:55 |
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| report.css | 2767 | 2019-10-30 17:24:55 |
| Show.js | 1085 | 2019-10-30 17:24:55 |