Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001387131-12-001538-index-headers.html | 2012-05-14 14:46:26 | |
| 0001387131-12-001538-index.html | 2012-05-14 14:46:26 | |
| 0001387131-12-001538.txt | 2012-05-14 14:46:26 | |
 0001387131-12-001538-xbrl.zip | 29173 | 2012-05-14 14:46:26 |
| ex-31_1.htm | 19009 | 2012-05-14 14:46:26 |
| ex-31_2.htm | 19938 | 2012-05-14 14:46:26 |
| ex-32_1.htm | 6464 | 2012-05-14 14:46:26 |
| ex-32_2.htm | 6852 | 2012-05-14 14:46:26 |
| ex-4_1.htm | 115890 | 2012-05-14 14:46:26 |
| ex-4_2.htm | 113966 | 2012-05-14 14:46:26 |
| FilingSummary.xml | 6709 | 2012-05-14 14:46:26 |
| Financial_Report.xls | 89261 | 2012-05-14 14:46:26 |
| ptn-10q_033112.htm | 479264 | 2012-05-14 14:46:26 |
| ptn-20120331.xml | 90849 | 2012-05-14 14:46:26 |
| ptn-20120331.xsd | 10060 | 2012-05-14 14:46:26 |
| ptn-20120331_cal.xml | 23971 | 2012-05-14 14:46:26 |
| ptn-20120331_def.xml | 5860 | 2012-05-14 14:46:26 |
| ptn-20120331_lab.xml | 87819 | 2012-05-14 14:46:26 |
| ptn-20120331_pre.xml | 55425 | 2012-05-14 14:46:26 |
| R1.htm | 33898 | 2012-05-14 14:46:26 |
| R10.htm | 28878 | 2012-05-14 14:46:26 |
| R11.htm | 5964 | 2012-05-14 14:46:26 |
| R12.htm | 17426 | 2012-05-14 14:46:26 |
| R2.htm | 91934 | 2012-05-14 14:46:26 |
| R3.htm | 29536 | 2012-05-14 14:46:26 |
| R4.htm | 65904 | 2012-05-14 14:46:26 |
| R5.htm | 90345 | 2012-05-14 14:46:26 |
| R6.htm | 14464 | 2012-05-14 14:46:26 |
| R7.htm | 7521 | 2012-05-14 14:46:26 |
| R8.htm | 20320 | 2012-05-14 14:46:26 |
| R9.htm | 14016 | 2012-05-14 14:46:26 |
| report.css | 2721 | 2012-05-14 14:46:26 |
| Show.js | 6423 | 2012-05-14 14:46:26 |