Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000784977-20-000017-index-headers.html | 2020-04-06 15:08:48 | |
| 0000784977-20-000017-index.html | 2020-04-06 15:08:48 | |
| 0000784977-20-000017.txt | 2020-04-06 15:08:48 | |
 0000784977-20-000017-xbrl.zip | 15145 | 2020-04-06 15:08:48 |
| a8-k2020covidx19update.htm | 52419 | 2020-04-06 15:08:48 |
| a8-k2020covidx19update_htm.xml | 6179 | 2020-04-06 15:08:48 |
| FilingSummary.xml | 1783 | 2020-04-06 15:08:48 |
| Financial_Report.xlsx | 5841 | 2020-04-06 15:08:48 |
| MetaLinks.json | 21265 | 2020-04-06 15:08:48 |
| por-20200406.xsd | 4456 | 2020-04-06 15:08:48 |
| por-20200406_cal.xml | 630 | 2020-04-06 15:08:48 |
| por-20200406_def.xml | 6145 | 2020-04-06 15:08:48 |
| por-20200406_lab.xml | 32723 | 2020-04-06 15:08:48 |
| por-20200406_pre.xml | 16892 | 2020-04-06 15:08:48 |
| R1.htm | 40491 | 2020-04-06 15:08:48 |
| report.css | 2767 | 2020-04-06 15:08:48 |
| Show.js | 1084 | 2020-04-06 15:08:48 |