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| 0001564590-17-009873-index.html | 2017-05-09 16:18:23 | |
| 0001564590-17-009873.txt | 2017-05-09 16:18:23 | |
 0001564590-17-009873-xbrl.zip | 97585 | 2017-05-09 16:18:23 |
| arna-10q_20170331.htm | 1297186 | 2017-05-09 16:18:23 |
| arna-20170331.xml | 878844 | 2017-05-09 16:18:23 |
| arna-20170331.xsd | 46121 | 2017-05-09 16:18:23 |
| arna-20170331_cal.xml | 39985 | 2017-05-09 16:18:23 |
| arna-20170331_def.xml | 150873 | 2017-05-09 16:18:23 |
| arna-20170331_lab.xml | 327396 | 2017-05-09 16:18:23 |
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| arna-ex102_8.htm | 4886 | 2017-05-09 16:18:23 |
| arna-ex103_13.htm | 145218 | 2017-05-09 16:18:23 |
| arna-ex311_9.htm | 15019 | 2017-05-09 16:18:23 |
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| arna-ex321_6.htm | 8772 | 2017-05-09 16:18:23 |
| FilingSummary.xml | 27824 | 2017-05-09 16:18:23 |
| Financial_Report.xlsx | 50605 | 2017-05-09 16:18:23 |
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| report.css | 2767 | 2017-05-09 16:18:23 |
| Show.js | 1410 | 2017-05-09 16:18:23 |