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| 0001493152-19-004288-index.html | 2019-03-29 17:19:31 | |
| 0001493152-19-004288.txt | 2019-03-29 17:19:31 | |
 0001493152-19-004288-xbrl.zip | 102612 | 2019-03-29 17:19:31 |
| ex31-1.htm | 19874 | 2019-03-29 17:19:31 |
| ex31-2.htm | 20229 | 2019-03-29 17:19:31 |
| ex32.htm | 11453 | 2019-03-29 17:19:31 |
| ex99-1.htm | 15738 | 2019-03-29 17:19:31 |
| FilingSummary.xml | 28645 | 2019-03-29 17:19:31 |
| Financial_Report.xlsx | 62263 | 2019-03-29 17:19:31 |
| form10-k.htm | 989054 | 2019-03-29 17:19:31 |
| ptix-20181231.xml | 585244 | 2019-03-29 17:19:31 |
| ptix-20181231.xsd | 42785 | 2019-03-29 17:19:31 |
| ptix-20181231_cal.xml | 46098 | 2019-03-29 17:19:31 |
| ptix-20181231_def.xml | 179786 | 2019-03-29 17:19:31 |
| ptix-20181231_lab.xml | 310974 | 2019-03-29 17:19:31 |
| ptix-20181231_pre.xml | 256725 | 2019-03-29 17:19:31 |
| R1.htm | 37286 | 2019-03-29 17:19:31 |
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| R3.htm | 20208 | 2019-03-29 17:19:31 |
| R30.htm | 12869 | 2019-03-29 17:19:31 |
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| R8.htm | 6554 | 2019-03-29 17:19:31 |
| R9.htm | 70312 | 2019-03-29 17:19:31 |
| report.css | 2767 | 2019-03-29 17:19:31 |
| Show.js | 1085 | 2019-03-29 17:19:31 |