Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001387131-13-000394-index-headers.html | 2013-02-13 17:25:21 | |
| 0001387131-13-000394-index.html | 2013-02-13 17:25:21 | |
| 0001387131-13-000394.txt | 2013-02-13 17:25:21 | |
 0001387131-13-000394-xbrl.zip | 43180 | 2013-02-13 17:25:21 |
| ex-31_1.htm | 13608 | 2013-02-13 17:25:21 |
| ex-31_2.htm | 13750 | 2013-02-13 17:25:21 |
| ex-32_1.htm | 4081 | 2013-02-13 17:25:21 |
| ex-32_2.htm | 4156 | 2013-02-13 17:25:21 |
| FilingSummary.xml | 9704 | 2013-02-13 17:25:21 |
| Financial_Report.xls | 162085 | 2013-02-13 17:25:21 |
 img0001.jpg | 65456 | 2013-02-13 17:25:21 |
| ptn-10q_123112.htm | 368437 | 2013-02-13 17:25:21 |
| ptn-20121231.xml | 164058 | 2013-02-13 17:25:21 |
| ptn-20121231.xsd | 17029 | 2013-02-13 17:25:21 |
| ptn-20121231_cal.xml | 28971 | 2013-02-13 17:25:21 |
| ptn-20121231_def.xml | 30985 | 2013-02-13 17:25:21 |
| ptn-20121231_lab.xml | 132749 | 2013-02-13 17:25:21 |
| ptn-20121231_pre.xml | 85853 | 2013-02-13 17:25:21 |
| R1.htm | 33899 | 2013-02-13 17:25:21 |
| R10.htm | 29171 | 2013-02-13 17:25:21 |
| R11.htm | 22724 | 2013-02-13 17:25:21 |
| R12.htm | 23142 | 2013-02-13 17:25:21 |
| R13.htm | 73661 | 2013-02-13 17:25:21 |
| R14.htm | 23627 | 2013-02-13 17:25:21 |
| R15.htm | 8991 | 2013-02-13 17:25:21 |
| R16.htm | 16163 | 2013-02-13 17:25:21 |
| R17.htm | 13869 | 2013-02-13 17:25:21 |
| R18.htm | 5999 | 2013-02-13 17:25:21 |
| R19.htm | 51446 | 2013-02-13 17:25:21 |
| R2.htm | 88966 | 2013-02-13 17:25:21 |
| R3.htm | 29524 | 2013-02-13 17:25:21 |
| R4.htm | 57907 | 2013-02-13 17:25:21 |
| R5.htm | 78111 | 2013-02-13 17:25:21 |
| R6.htm | 18008 | 2013-02-13 17:25:21 |
| R7.htm | 7727 | 2013-02-13 17:25:21 |
| R8.htm | 21562 | 2013-02-13 17:25:21 |
| R9.htm | 13793 | 2013-02-13 17:25:21 |
| report.css | 2721 | 2013-02-13 17:25:21 |
| Show.js | 6423 | 2013-02-13 17:25:21 |