Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-22-028113-index-headers.html | 2022-02-28 16:26:08 | |
| 0001104659-22-028113-index.html | 2022-02-28 16:26:08 | |
| 0001104659-22-028113.txt | 2022-02-28 16:26:08 | |
 0001104659-22-028113-xbrl.zip | 20093 | 2022-02-28 16:26:08 |
| FilingSummary.xml | 1653 | 2022-02-28 16:26:08 |
| Financial_Report.xlsx | 5727 | 2022-02-28 16:26:08 |
| MetaLinks.json | 38417 | 2022-02-28 16:26:08 |
| ptgx-20220228.xsd | 3054 | 2022-02-28 16:26:08 |
| ptgx-20220228_lab.xml | 34476 | 2022-02-28 16:26:08 |
| ptgx-20220228_pre.xml | 22609 | 2022-02-28 16:26:08 |
| R1.htm | 41668 | 2022-02-28 16:26:08 |
| report.css | 2767 | 2022-02-28 16:26:08 |
| Show.js | 1085 | 2022-02-28 16:26:08 |
| tm227855d1_8k.htm | 28524 | 2022-02-28 16:26:08 |
| tm227855d1_8k_htm.xml | 3745 | 2022-02-28 16:26:08 |
| tm227855d1_ex99-1.htm | 121719 | 2022-02-28 16:26:08 |
 tm227855d1_ex99-1img001.jpg | 4002 | 2022-02-28 16:26:08 |