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| 0000784977-16-000111-index.html | 2016-10-27 18:58:02 | |
| 0000784977-16-000111.txt | 2016-10-27 18:58:02 | |
 0000784977-16-000111-xbrl.zip | 203544 | 2016-10-27 18:58:02 |
| ex31110-q20160930.htm | 15011 | 2016-10-27 18:58:02 |
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| ex3210-q20160930.htm | 13154 | 2016-10-27 18:58:02 |
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| por-20160930.xsd | 46894 | 2016-10-27 18:58:02 |
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| por-20160930_lab.xml | 603216 | 2016-10-27 18:58:02 |
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| report.css | 2767 | 2016-10-27 18:58:02 |
| Show.js | 1410 | 2016-10-27 18:58:02 |