Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001564590-22-019870-index.html | 2022-05-12 16:16:14 | |
| 0001564590-22-019870.txt | 2022-05-12 16:16:14 | |
 0001564590-22-019870-xbrl.zip | 16468 | 2022-05-12 16:16:14 |
| FilingSummary.xml | 1745 | 2022-05-12 16:16:14 |
| Financial_Report.xlsx | 5748 | 2022-05-12 16:16:14 |
 gzucqjcme0ov000001.jpg | 752068 | 2022-05-12 16:16:14 |
| MetaLinks.json | 19839 | 2022-05-12 16:16:14 |
| pstx-20220512.xsd | 5673 | 2022-05-12 16:16:14 |
| pstx-20220512_lab.xml | 20169 | 2022-05-12 16:16:14 |
| pstx-20220512_pre.xml | 12019 | 2022-05-12 16:16:14 |
| pstx-8k_20220512.htm | 41533 | 2022-05-12 16:16:14 |
| pstx-8k_20220512_htm.xml | 3695 | 2022-05-12 16:16:14 |
| pstx-ex991_6.htm | 115395 | 2022-05-12 16:16:14 |
| R1.htm | 42049 | 2022-05-12 16:16:14 |
| report.css | 2767 | 2022-05-12 16:16:14 |
| Show.js | 1085 | 2022-05-12 16:16:14 |