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| 0001564590-17-010767-index.html | 2017-05-12 16:16:39 | |
| 0001564590-17-010767.txt | 2017-05-12 16:16:39 | |
 0001564590-17-010767-xbrl.zip | 73239 | 2017-05-12 16:16:39 |
| FilingSummary.xml | 25373 | 2017-05-12 16:16:39 |
| Financial_Report.xlsx | 41939 | 2017-05-12 16:16:39 |
| pti-10q_20170331.htm | 1221366 | 2017-05-12 16:16:39 |
| pti-20170331.xml | 898460 | 2017-05-12 16:16:39 |
| pti-20170331.xsd | 30938 | 2017-05-12 16:16:39 |
| pti-20170331_cal.xml | 42717 | 2017-05-12 16:16:39 |
| pti-20170331_def.xml | 48141 | 2017-05-12 16:16:39 |
| pti-20170331_lab.xml | 219569 | 2017-05-12 16:16:39 |
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| report.css | 2767 | 2017-05-12 16:16:39 |
| Show.js | 1410 | 2017-05-12 16:16:39 |