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| 0001493152-21-009619-index.html | 2021-04-26 06:31:16 | |
| 0001493152-21-009619.txt | 2021-04-26 06:31:16 | |
 0001493152-21-009619-xbrl.zip | 109213 | 2021-04-26 06:31:16 |
| ex23-1.htm | 3638 | 2021-04-26 06:31:16 |
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 ex5-1_002.jpg | 2224 | 2021-04-26 06:31:16 |
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| Financial_Report.xlsx | 76589 | 2021-04-26 06:31:16 |
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| ptix-20201231.xsd | 44036 | 2021-04-26 06:31:16 |
| ptix-20201231_cal.xml | 52917 | 2021-04-26 06:31:16 |
| ptix-20201231_def.xml | 201817 | 2021-04-26 06:31:16 |
| ptix-20201231_lab.xml | 346154 | 2021-04-26 06:31:16 |
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| R9.htm | 53495 | 2021-04-26 06:31:16 |
| report.css | 2767 | 2021-04-26 06:31:16 |
 s-1_001.jpg | 7111 | 2021-04-26 06:31:16 |
| Show.js | 1085 | 2021-04-26 06:31:16 |