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| 0001493152-18-004567-index.html | 2018-04-02 17:31:47 | |
| 0001493152-18-004567.txt | 2018-04-02 17:31:47 | |
 0001493152-18-004567-xbrl.zip | 120277 | 2018-04-02 17:31:47 |
| ex23-1.htm | 3253 | 2018-04-02 17:31:47 |
| ex23-2.htm | 3440 | 2018-04-02 17:31:47 |
| ex31-2.htm | 22035 | 2018-04-02 17:31:47 |
| ex32-1.htm | 11738 | 2018-04-02 17:31:47 |
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| Financial_Report.xlsx | 69241 | 2018-04-02 17:31:47 |
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| ptix-20171231.xml | 610677 | 2018-04-02 17:31:47 |
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| R9.htm | 68770 | 2018-04-02 17:31:47 |
| report.css | 2767 | 2018-04-02 17:31:47 |
| Show.js | 1410 | 2018-04-02 17:31:47 |