Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001493152-22-009370-index-headers.html | 2022-04-07 17:08:30 | |
| 0001493152-22-009370-index.html | 2022-04-07 17:08:30 | |
| 0001493152-22-009370.txt | 2022-04-07 17:08:30 | |
 0001493152-22-009370-xbrl.zip | 338699 | 2022-04-07 17:08:30 |
| ex21-1.htm | 3448 | 2022-04-07 17:08:30 |
| ex31-1.htm | 20113 | 2022-04-07 17:08:30 |
| ex31-2.htm | 19867 | 2022-04-07 17:08:30 |
| ex32-1.htm | 10457 | 2022-04-07 17:08:30 |
| ex4-1.htm | 38075 | 2022-04-07 17:08:30 |
| ex99-1.htm | 38524 | 2022-04-07 17:08:30 |
| ex99-2.htm | 35658 | 2022-04-07 17:08:30 |
| ex99-3.htm | 17390 | 2022-04-07 17:08:30 |
| FilingSummary.xml | 27930 | 2022-04-07 17:08:30 |
| Financial_Report.xlsx | 70423 | 2022-04-07 17:08:30 |
| form10-k.htm | 1692302 | 2022-04-07 17:08:30 |
 form10-k_001.jpg | 22902 | 2022-04-07 17:08:30 |
 form10-k_002.jpg | 12069 | 2022-04-07 17:08:30 |
 form10-k_003.jpg | 20425 | 2022-04-07 17:08:30 |
 form10-k_004.jpg | 17323 | 2022-04-07 17:08:30 |
| form10-k_htm.xml | 687108 | 2022-04-07 17:08:30 |
| MetaLinks.json | 527061 | 2022-04-07 17:08:30 |
| ptix-20211231.xsd | 43846 | 2022-04-07 17:08:30 |
| ptix-20211231_cal.xml | 48500 | 2022-04-07 17:08:30 |
| ptix-20211231_def.xml | 210984 | 2022-04-07 17:08:30 |
| ptix-20211231_lab.xml | 387753 | 2022-04-07 17:08:30 |
| ptix-20211231_pre.xml | 294439 | 2022-04-07 17:08:30 |
| R1.htm | 71046 | 2022-04-07 17:08:30 |
| R10.htm | 14287 | 2022-04-07 17:08:30 |
| R11.htm | 32628 | 2022-04-07 17:08:30 |
| R12.htm | 83166 | 2022-04-07 17:08:30 |
| R13.htm | 11713 | 2022-04-07 17:08:30 |
| R14.htm | 13791 | 2022-04-07 17:08:30 |
| R15.htm | 7697 | 2022-04-07 17:08:30 |
| R16.htm | 32930 | 2022-04-07 17:08:30 |
| R17.htm | 9254 | 2022-04-07 17:08:30 |
| R18.htm | 107143 | 2022-04-07 17:08:30 |
| R19.htm | 45990 | 2022-04-07 17:08:30 |
| R2.htm | 84819 | 2022-04-07 17:08:30 |
| R20.htm | 9251 | 2022-04-07 17:08:30 |
| R21.htm | 18056 | 2022-04-07 17:08:30 |
| R22.htm | 50641 | 2022-04-07 17:08:30 |
| R23.htm | 24056 | 2022-04-07 17:08:30 |
| R24.htm | 21913 | 2022-04-07 17:08:30 |
| R25.htm | 7119 | 2022-04-07 17:08:30 |
| R26.htm | 17760 | 2022-04-07 17:08:30 |
| R27.htm | 14817 | 2022-04-07 17:08:30 |
| R28.htm | 23433 | 2022-04-07 17:08:30 |
| R29.htm | 10583 | 2022-04-07 17:08:30 |
| R3.htm | 23623 | 2022-04-07 17:08:30 |
| R30.htm | 29470 | 2022-04-07 17:08:30 |
| R31.htm | 24908 | 2022-04-07 17:08:30 |
| R32.htm | 43383 | 2022-04-07 17:08:30 |
| R33.htm | 17063 | 2022-04-07 17:08:30 |
| R34.htm | 26506 | 2022-04-07 17:08:30 |
| R35.htm | 18049 | 2022-04-07 17:08:30 |
| R36.htm | 25374 | 2022-04-07 17:08:30 |
| R37.htm | 147414 | 2022-04-07 17:08:30 |
| R38.htm | 26263 | 2022-04-07 17:08:30 |
| R39.htm | 21906 | 2022-04-07 17:08:30 |
| R4.htm | 59684 | 2022-04-07 17:08:30 |
| R40.htm | 4474 | 2022-04-07 17:08:30 |
| R41.htm | 12191 | 2022-04-07 17:08:30 |
| R42.htm | 19005 | 2022-04-07 17:08:30 |
| R43.htm | 16609 | 2022-04-07 17:08:30 |
| R44.htm | 22756 | 2022-04-07 17:08:30 |
| R45.htm | 20262 | 2022-04-07 17:08:30 |
| R5.htm | 73682 | 2022-04-07 17:08:30 |
| R6.htm | 88128 | 2022-04-07 17:08:30 |
| R7.htm | 8819 | 2022-04-07 17:08:30 |
| R8.htm | 6450 | 2022-04-07 17:08:30 |
| R9.htm | 77436 | 2022-04-07 17:08:30 |
| report.css | 2767 | 2022-04-07 17:08:30 |
| Show.js | 1085 | 2022-04-07 17:08:30 |