Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001088020-12-000004-index-headers.html | 2012-02-14 16:27:22 | |
| 0001088020-12-000004-index.html | 2012-02-14 16:27:22 | |
| 0001088020-12-000004.txt | 2012-02-14 16:27:22 | |
 0001088020-12-000004-xbrl.zip | 28077 | 2012-02-14 16:27:22 |
| ex31-1.htm | 12328 | 2012-02-14 16:27:22 |
| ex31-2.htm | 12562 | 2012-02-14 16:27:22 |
| ex32-1.htm | 3870 | 2012-02-14 16:27:22 |
| ex32-2.htm | 3873 | 2012-02-14 16:27:22 |
| ex4-1.htm | 102312 | 2012-02-14 16:27:22 |
| ex4-2.htm | 101820 | 2012-02-14 16:27:22 |
| FilingSummary.xml | 6673 | 2012-02-14 16:27:22 |
| Financial_Report.xls | 66383 | 2012-02-14 16:27:22 |
| form10qr2_123111.htm | 302913 | 2012-02-14 16:27:22 |
| ptn-20111231.xml | 66184 | 2012-02-14 16:27:22 |
| ptn-20111231.xsd | 10053 | 2012-02-14 16:27:22 |
| ptn-20111231_cal.xml | 23043 | 2012-02-14 16:27:22 |
| ptn-20111231_def.xml | 5805 | 2012-02-14 16:27:22 |
| ptn-20111231_lab.xml | 84173 | 2012-02-14 16:27:22 |
| ptn-20111231_pre.xml | 53415 | 2012-02-14 16:27:22 |
| R1.htm | 33911 | 2012-02-14 16:27:22 |
| R10.htm | 16712 | 2012-02-14 16:27:22 |
| R11.htm | 5634 | 2012-02-14 16:27:22 |
| R12.htm | 16345 | 2012-02-14 16:27:22 |
| R2.htm | 93664 | 2012-02-14 16:27:22 |
| R3.htm | 29715 | 2012-02-14 16:27:22 |
| R4.htm | 63521 | 2012-02-14 16:27:22 |
| R5.htm | 85559 | 2012-02-14 16:27:22 |
| R6.htm | 12321 | 2012-02-14 16:27:22 |
| R7.htm | 6841 | 2012-02-14 16:27:22 |
| R8.htm | 16304 | 2012-02-14 16:27:22 |
| R9.htm | 13004 | 2012-02-14 16:27:22 |
| report.css | 2721 | 2012-02-14 16:27:22 |
| Show.js | 6423 | 2012-02-14 16:27:22 |