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|---|---|---|
 0001157523-12-001047-index-headers.html | 2012-02-27 08:34:38 | |
| 0001157523-12-001047-index.html | 2012-02-27 08:34:38 | |
| 0001157523-12-001047.txt | 2012-02-27 08:34:38 | |
 0001157523-12-001047-xbrl.zip | 55943 | 2012-02-27 08:34:38 |
| a50172459.htm | 1542069 | 2012-02-27 08:34:38 |
| a50172459ex23_1.htm | 4272 | 2012-02-27 08:34:38 |
| a50172459ex31_1.htm | 15559 | 2012-02-27 08:34:38 |
| a50172459ex32_1.htm | 7358 | 2012-02-27 08:34:38 |
| FilingSummary.xml | 10762 | 2012-02-27 08:34:38 |
| Financial_Report.xls | 376228 | 2012-02-27 08:34:38 |
 logo.jpg | 2184 | 2012-02-27 08:34:38 |
| opxa-20111231.xml | 426983 | 2012-02-27 08:34:38 |
| opxa-20111231.xsd | 17695 | 2012-02-27 08:34:38 |
| opxa-20111231_cal.xml | 31741 | 2012-02-27 08:34:38 |
| opxa-20111231_def.xml | 103925 | 2012-02-27 08:34:38 |
| opxa-20111231_lab.xml | 112390 | 2012-02-27 08:34:38 |
| opxa-20111231_pre.xml | 111152 | 2012-02-27 08:34:38 |
| R1.htm | 37569 | 2012-02-27 08:34:38 |
| R10.htm | 8456 | 2012-02-27 08:34:38 |
| R11.htm | 6048 | 2012-02-27 08:34:38 |
| R12.htm | 10082 | 2012-02-27 08:34:38 |
| R13.htm | 6738 | 2012-02-27 08:34:38 |
| R14.htm | 63173 | 2012-02-27 08:34:38 |
| R15.htm | 143193 | 2012-02-27 08:34:38 |
| R16.htm | 8602 | 2012-02-27 08:34:38 |
| R17.htm | 6183 | 2012-02-27 08:34:38 |
| R2.htm | 79476 | 2012-02-27 08:34:38 |
| R3.htm | 32186 | 2012-02-27 08:34:38 |
| R4.htm | 56560 | 2012-02-27 08:34:38 |
| R5.htm | 184906 | 2012-02-27 08:34:38 |
| R6.htm | 154154 | 2012-02-27 08:34:38 |
| R7.htm | 15812 | 2012-02-27 08:34:38 |
| R8.htm | 8442 | 2012-02-27 08:34:38 |
| R9.htm | 28177 | 2012-02-27 08:34:38 |
| report.css | 2721 | 2012-02-27 08:34:38 |
| Show.js | 6423 | 2012-02-27 08:34:38 |