Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000722885-17-000077-index-headers.html | 2017-04-18 11:08:49 | |
| 0000722885-17-000077-index.html | 2017-04-18 11:08:49 | |
| 0000722885-17-000077.txt | 2017-04-18 11:08:49 | |
 0000722885-17-000077-xbrl.zip | 65427 | 2017-04-18 11:08:49 |
 BarChart1.png | 29621 | 2017-04-18 11:08:49 |
 BarChart2.png | 30250 | 2017-04-18 11:08:49 |
 BarChart3.png | 24010 | 2017-04-18 11:08:49 |
| coverltr.htm | 4455 | 2017-04-18 11:08:49 |
| FilingSummary.xml | 5926 | 2017-04-18 11:08:49 |
| ptf-20170406.xml | 155945 | 2017-04-18 11:08:49 |
| ptf-20170406.xsd | 12260 | 2017-04-18 11:08:49 |
| ptf-20170406_cal.xml | 9662 | 2017-04-18 11:08:49 |
| ptf-20170406_def.xml | 349403 | 2017-04-18 11:08:49 |
| ptf-20170406_lab.xml | 143867 | 2017-04-18 11:08:49 |
| ptf-20170406_pre.xml | 376300 | 2017-04-18 11:08:49 |
| R1.htm | 33841 | 2017-04-18 11:08:49 |
| R12.htm | 16188 | 2017-04-18 11:08:49 |
| R2.htm | 109577 | 2017-04-18 11:08:49 |
| R3.htm | 205262 | 2017-04-18 11:08:49 |
| R4.htm | 111572 | 2017-04-18 11:08:49 |
| R5.htm | 210332 | 2017-04-18 11:08:49 |
| R6.htm | 106463 | 2017-04-18 11:08:49 |
| R7.htm | 208468 | 2017-04-18 11:08:49 |
| report.css | 2767 | 2017-04-18 11:08:49 |
| Show.js | 1410 | 2017-04-18 11:08:49 |