Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001354488-16-007356-index-headers.html | 2016-05-12 16:03:15 | |
| 0001354488-16-007356-index.html | 2016-05-12 16:03:15 | |
| 0001354488-16-007356.txt | 2016-05-12 16:03:15 | |
 0001354488-16-007356-xbrl.zip | 40808 | 2016-05-12 16:03:15 |
| FilingSummary.xml | 13671 | 2016-05-12 16:03:15 |
| Financial_Report.xlsx | 25718 | 2016-05-12 16:03:15 |
 logo.jpg | 2618 | 2016-05-12 16:03:15 |
| opxa-20160331.xml | 123333 | 2016-05-12 16:03:15 |
| opxa-20160331.xsd | 28219 | 2016-05-12 16:03:15 |
| opxa-20160331_cal.xml | 32697 | 2016-05-12 16:03:15 |
| opxa-20160331_def.xml | 37754 | 2016-05-12 16:03:15 |
| opxa-20160331_lab.xml | 171414 | 2016-05-12 16:03:15 |
| opxa-20160331_pre.xml | 116373 | 2016-05-12 16:03:15 |
| opxa_10q.htm | 635047 | 2016-05-12 16:03:15 |
| opxa_ex311.htm | 16009 | 2016-05-12 16:03:15 |
| opxa_ex321.htm | 8268 | 2016-05-12 16:03:15 |
| R1.htm | 25802 | 2016-05-12 16:03:15 |
| R10.htm | 9093 | 2016-05-12 16:03:15 |
| R11.htm | 23579 | 2016-05-12 16:03:15 |
| R12.htm | 19091 | 2016-05-12 16:03:15 |
| R13.htm | 8125 | 2016-05-12 16:03:15 |
| R14.htm | 19913 | 2016-05-12 16:03:15 |
| R15.htm | 6277 | 2016-05-12 16:03:15 |
| R16.htm | 11486 | 2016-05-12 16:03:15 |
| R17.htm | 10191 | 2016-05-12 16:03:15 |
| R18.htm | 39680 | 2016-05-12 16:03:15 |
| R19.htm | 30700 | 2016-05-12 16:03:15 |
| R2.htm | 48017 | 2016-05-12 16:03:15 |
| R20.htm | 6891 | 2016-05-12 16:03:15 |
| R3.htm | 23077 | 2016-05-12 16:03:15 |
| R4.htm | 25884 | 2016-05-12 16:03:15 |
| R5.htm | 15469 | 2016-05-12 16:03:15 |
| R6.htm | 57402 | 2016-05-12 16:03:15 |
| R7.htm | 7060 | 2016-05-12 16:03:15 |
| R8.htm | 12858 | 2016-05-12 16:03:15 |
| R9.htm | 11347 | 2016-05-12 16:03:15 |
| report.css | 2767 | 2016-05-12 16:03:15 |
| Show.js | 1410 | 2016-05-12 16:03:15 |