Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000784977-20-000032-index-headers.html | 2020-04-24 11:00:45 | |
| 0000784977-20-000032-index.html | 2020-04-24 11:00:45 | |
| 0000784977-20-000032.txt | 2020-04-24 11:00:45 | |
 0000784977-20-000032-xbrl.zip | 30768 | 2020-04-24 11:00:45 |
| a8-ka20200331pressrele.htm | 51137 | 2020-04-24 11:00:45 |
| a8-ka20200331pressrele_htm.xml | 6181 | 2020-04-24 11:00:45 |
| ex99120200331pressrele.htm | 337201 | 2020-04-24 11:00:45 |
| FilingSummary.xml | 1834 | 2020-04-24 11:00:45 |
| Financial_Report.xlsx | 5848 | 2020-04-24 11:00:45 |
 logoa05.jpg | 12600 | 2020-04-24 11:00:45 |
| MetaLinks.json | 21298 | 2020-04-24 11:00:45 |
| por-20200424.xsd | 4460 | 2020-04-24 11:00:45 |
| por-20200424_cal.xml | 633 | 2020-04-24 11:00:45 |
| por-20200424_def.xml | 6198 | 2020-04-24 11:00:45 |
| por-20200424_lab.xml | 32723 | 2020-04-24 11:00:45 |
| por-20200424_pre.xml | 16895 | 2020-04-24 11:00:45 |
| R1.htm | 40494 | 2020-04-24 11:00:45 |
| report.css | 2767 | 2020-04-24 11:00:45 |
| Show.js | 1085 | 2020-04-24 11:00:45 |