Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001654954-17-007407-index-headers.html | 2017-08-14 07:32:07 | |
| 0001654954-17-007407-index.html | 2017-08-14 07:32:07 | |
| 0001654954-17-007407.txt | 2017-08-14 07:32:07 | |
 0001654954-17-007407-xbrl.zip | 37510 | 2017-08-14 07:32:07 |
| FilingSummary.xml | 16564 | 2017-08-14 07:32:07 |
| Financial_Report.xlsx | 28913 | 2017-08-14 07:32:07 |
| opxa-20170630.xml | 111252 | 2017-08-14 07:32:07 |
| opxa-20170630.xsd | 28354 | 2017-08-14 07:32:07 |
| opxa-20170630_cal.xml | 30224 | 2017-08-14 07:32:07 |
| opxa-20170630_def.xml | 40120 | 2017-08-14 07:32:07 |
| opxa-20170630_lab.xml | 151828 | 2017-08-14 07:32:07 |
| opxa-20170630_pre.xml | 111725 | 2017-08-14 07:32:07 |
| opxa_10q.htm | 627891 | 2017-08-14 07:32:07 |
 opxa_10q000.jpg | 1738 | 2017-08-14 07:32:07 |
| opxa_ex311.htm | 12987 | 2017-08-14 07:32:07 |
| opxa_ex321.htm | 7183 | 2017-08-14 07:32:07 |
| R1.htm | 25802 | 2017-08-14 07:32:07 |
| R10.htm | 5486 | 2017-08-14 07:32:07 |
| R11.htm | 5188 | 2017-08-14 07:32:07 |
| R12.htm | 19603 | 2017-08-14 07:32:07 |
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| R14.htm | 5889 | 2017-08-14 07:32:07 |
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| R18.htm | 10494 | 2017-08-14 07:32:07 |
| R19.htm | 6275 | 2017-08-14 07:32:07 |
| R2.htm | 43937 | 2017-08-14 07:32:07 |
| R20.htm | 9209 | 2017-08-14 07:32:07 |
| R21.htm | 8548 | 2017-08-14 07:32:07 |
| R22.htm | 6039 | 2017-08-14 07:32:07 |
| R23.htm | 36450 | 2017-08-14 07:32:07 |
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| R25.htm | 6150 | 2017-08-14 07:32:07 |
| R3.htm | 21341 | 2017-08-14 07:32:07 |
| R4.htm | 25602 | 2017-08-14 07:32:07 |
| R5.htm | 21002 | 2017-08-14 07:32:07 |
| R6.htm | 58150 | 2017-08-14 07:32:07 |
| R7.htm | 11633 | 2017-08-14 07:32:07 |
| R8.htm | 6631 | 2017-08-14 07:32:07 |
| R9.htm | 8961 | 2017-08-14 07:32:07 |
| report.css | 2767 | 2017-08-14 07:32:07 |
| Show.js | 1410 | 2017-08-14 07:32:07 |