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| 0001493152-20-011408-index.html | 2020-06-18 17:03:45 | |
| 0001493152-20-011408.txt | 2020-06-18 17:03:45 | |
 0001493152-20-011408-xbrl.zip | 95270 | 2020-06-18 17:03:45 |
| ex31-1.htm | 19796 | 2020-06-18 17:03:45 |
| ex31-2.htm | 19735 | 2020-06-18 17:03:45 |
| ex32-1.htm | 10388 | 2020-06-18 17:03:45 |
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| Financial_Report.xlsx | 57396 | 2020-06-18 17:03:45 |
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| ptix-20200331.xsd | 45728 | 2020-06-18 17:03:45 |
| ptix-20200331_cal.xml | 41433 | 2020-06-18 17:03:45 |
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| ptix-20200331_lab.xml | 315945 | 2020-06-18 17:03:45 |
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| R9.htm | 54863 | 2020-06-18 17:03:45 |
| report.css | 2767 | 2020-06-18 17:03:45 |
| Show.js | 1085 | 2020-06-18 17:03:45 |