Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-21-117017-index-headers.html | 2021-09-17 17:29:51 | |
| 0001104659-21-117017-index.html | 2021-09-17 17:29:51 | |
| 0001104659-21-117017.txt | 2021-09-17 17:29:51 | |
 0001104659-21-117017-xbrl.zip | 14340 | 2021-09-17 17:29:51 |
| FilingSummary.xml | 1647 | 2021-09-17 17:29:51 |
| Financial_Report.xlsx | 5771 | 2021-09-17 17:29:51 |
| MetaLinks.json | 39062 | 2021-09-17 17:29:51 |
| ptgx-20210917.xsd | 3209 | 2021-09-17 17:29:51 |
| ptgx-20210917_lab.xml | 34593 | 2021-09-17 17:29:51 |
| ptgx-20210917_pre.xml | 22726 | 2021-09-17 17:29:51 |
| R1.htm | 43504 | 2021-09-17 17:29:51 |
| report.css | 2767 | 2021-09-17 17:29:51 |
| Show.js | 1085 | 2021-09-17 17:29:51 |
| tm2127921d1_8k.htm | 29966 | 2021-09-17 17:29:51 |
| tm2127921d1_8k_htm.xml | 3858 | 2021-09-17 17:29:51 |
| tm2127921d1_ex99-1.htm | 10856 | 2021-09-17 17:29:51 |
 tm2127921d1_ex99-1img001.jpg | 3990 | 2021-09-17 17:29:51 |