Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-17-003711-index-headers.html | 2017-03-08 16:43:43 | |
| 0001564590-17-003711-index.html | 2017-03-08 16:43:43 | |
| 0001564590-17-003711.txt | 2017-03-08 16:43:43 | |
 0001564590-17-003711-xbrl.zip | 219783 | 2017-03-08 16:43:43 |
| cers-10k_20161231.htm | 3849891 | 2017-03-08 16:43:43 |
| cers-20161231.xml | 3250037 | 2017-03-08 16:43:43 |
| cers-20161231.xsd | 77879 | 2017-03-08 16:43:43 |
| cers-20161231_cal.xml | 91674 | 2017-03-08 16:43:43 |
| cers-20161231_def.xml | 245842 | 2017-03-08 16:43:43 |
| cers-20161231_lab.xml | 614305 | 2017-03-08 16:43:43 |
| cers-20161231_pre.xml | 469357 | 2017-03-08 16:43:43 |
| cers-ex1017_599.htm | 29582 | 2017-03-08 16:43:43 |
| cers-ex106_597.htm | 21968 | 2017-03-08 16:43:43 |
| cers-ex107_598.htm | 22181 | 2017-03-08 16:43:43 |
| cers-ex121_10.htm | 96909 | 2017-03-08 16:43:43 |
| cers-ex211_11.htm | 3483 | 2017-03-08 16:43:43 |
| cers-ex231_9.htm | 3074 | 2017-03-08 16:43:43 |
| cers-ex311_8.htm | 16037 | 2017-03-08 16:43:43 |
| cers-ex312_7.htm | 16056 | 2017-03-08 16:43:43 |
| cers-ex321_6.htm | 6853 | 2017-03-08 16:43:43 |
| FilingSummary.xml | 51985 | 2017-03-08 16:43:43 |
| Financial_Report.xlsx | 107594 | 2017-03-08 16:43:43 |
 g2017030820313285528248.jpg | 18694 | 2017-03-08 16:43:43 |
| R1.htm | 29966 | 2017-03-08 16:43:43 |
| R10.htm | 150185 | 2017-03-08 16:43:43 |
| R11.htm | 120045 | 2017-03-08 16:43:43 |
| R12.htm | 233385 | 2017-03-08 16:43:43 |
| R13.htm | 21189 | 2017-03-08 16:43:43 |
| R14.htm | 50897 | 2017-03-08 16:43:43 |
| R15.htm | 56828 | 2017-03-08 16:43:43 |
| R16.htm | 7082 | 2017-03-08 16:43:43 |
| R17.htm | 31223 | 2017-03-08 16:43:43 |
| R18.htm | 80066 | 2017-03-08 16:43:43 |
| R19.htm | 25495 | 2017-03-08 16:43:43 |
| R2.htm | 88953 | 2017-03-08 16:43:43 |
| R20.htm | 13270 | 2017-03-08 16:43:43 |
| R21.htm | 184130 | 2017-03-08 16:43:43 |
| R22.htm | 6571 | 2017-03-08 16:43:43 |
| R23.htm | 15643 | 2017-03-08 16:43:43 |
| R24.htm | 219510 | 2017-03-08 16:43:43 |
| R25.htm | 121461 | 2017-03-08 16:43:43 |
| R26.htm | 113749 | 2017-03-08 16:43:43 |
| R27.htm | 206275 | 2017-03-08 16:43:43 |
| R28.htm | 98404 | 2017-03-08 16:43:43 |
| R29.htm | 116193 | 2017-03-08 16:43:43 |
| R3.htm | 18953 | 2017-03-08 16:43:43 |
| R30.htm | 232058 | 2017-03-08 16:43:43 |
| R31.htm | 21510 | 2017-03-08 16:43:43 |
| R32.htm | 49118 | 2017-03-08 16:43:43 |
| R33.htm | 51236 | 2017-03-08 16:43:43 |
| R34.htm | 30632 | 2017-03-08 16:43:43 |
| R35.htm | 77438 | 2017-03-08 16:43:43 |
| R36.htm | 19284 | 2017-03-08 16:43:43 |
| R37.htm | 180403 | 2017-03-08 16:43:43 |
| R38.htm | 219324 | 2017-03-08 16:43:43 |
| R39.htm | 118796 | 2017-03-08 16:43:43 |
| R4.htm | 63805 | 2017-03-08 16:43:43 |
| R40.htm | 112849 | 2017-03-08 16:43:43 |
| R41.htm | 53290 | 2017-03-08 16:43:43 |
| R42.htm | 31938 | 2017-03-08 16:43:43 |
| R43.htm | 11244 | 2017-03-08 16:43:43 |
| R44.htm | 24162 | 2017-03-08 16:43:43 |
| R45.htm | 9421 | 2017-03-08 16:43:43 |
| R46.htm | 4199 | 2017-03-08 16:43:43 |
| R47.htm | 22065 | 2017-03-08 16:43:43 |
| R48.htm | 17130 | 2017-03-08 16:43:43 |
| R49.htm | 24759 | 2017-03-08 16:43:43 |
| R5.htm | 13103 | 2017-03-08 16:43:43 |
| R50.htm | 9304 | 2017-03-08 16:43:43 |
| R51.htm | 9774 | 2017-03-08 16:43:43 |
| R52.htm | 27201 | 2017-03-08 16:43:43 |
| R53.htm | 10885 | 2017-03-08 16:43:43 |
| R54.htm | 19041 | 2017-03-08 16:43:43 |
| R55.htm | 11515 | 2017-03-08 16:43:43 |
| R56.htm | 20943 | 2017-03-08 16:43:43 |
| R57.htm | 17304 | 2017-03-08 16:43:43 |
| R58.htm | 24238 | 2017-03-08 16:43:43 |
| R59.htm | 25625 | 2017-03-08 16:43:43 |
| R6.htm | 5146 | 2017-03-08 16:43:43 |
| R60.htm | 37732 | 2017-03-08 16:43:43 |
| R61.htm | 42534 | 2017-03-08 16:43:43 |
| R62.htm | 16948 | 2017-03-08 16:43:43 |
| R63.htm | 40775 | 2017-03-08 16:43:43 |
| R64.htm | 68815 | 2017-03-08 16:43:43 |
| R65.htm | 27703 | 2017-03-08 16:43:43 |
| R66.htm | 26459 | 2017-03-08 16:43:43 |
| R67.htm | 36634 | 2017-03-08 16:43:43 |
| R68.htm | 10601 | 2017-03-08 16:43:43 |
| R69.htm | 18504 | 2017-03-08 16:43:43 |
| R7.htm | 40252 | 2017-03-08 16:43:43 |
| R70.htm | 4201 | 2017-03-08 16:43:43 |
| R71.htm | 56672 | 2017-03-08 16:43:43 |
| R72.htm | 10070 | 2017-03-08 16:43:43 |
| R73.htm | 26217 | 2017-03-08 16:43:43 |
| R74.htm | 20584 | 2017-03-08 16:43:43 |
| R75.htm | 27330 | 2017-03-08 16:43:43 |
| R76.htm | 50864 | 2017-03-08 16:43:43 |
| R77.htm | 8865 | 2017-03-08 16:43:43 |
| R78.htm | 4621 | 2017-03-08 16:43:43 |
| R79.htm | 11440 | 2017-03-08 16:43:43 |
| R8.htm | 86972 | 2017-03-08 16:43:43 |
| R80.htm | 36398 | 2017-03-08 16:43:43 |
| R81.htm | 8605 | 2017-03-08 16:43:43 |
| R82.htm | 21538 | 2017-03-08 16:43:43 |
| R9.htm | 6585 | 2017-03-08 16:43:43 |
| report.css | 2768 | 2017-03-08 16:43:43 |
| Show.js | 1411 | 2017-03-08 16:43:43 |