Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-22-012282-index-headers.html | 2022-05-04 16:11:20 | |
| 0001628280-22-012282-index.html | 2022-05-04 16:11:20 | |
| 0001628280-22-012282.txt | 2022-05-04 16:11:20 | |
 0001628280-22-012282-xbrl.zip | 24343 | 2022-05-04 16:11:20 |
| a2022q1prexhibit991.htm | 182484 | 2022-05-04 16:11:20 |
 coverpagea.jpg | 1337177 | 2022-05-04 16:11:20 |
| FilingSummary.xml | 1642 | 2022-05-04 16:11:20 |
| Financial_Report.xlsx | 5651 | 2022-05-04 16:11:20 |
 footer.jpg | 1315 | 2022-05-04 16:11:20 |
 image_0a.jpg | 36926 | 2022-05-04 16:11:20 |
| MetaLinks.json | 17147 | 2022-05-04 16:11:20 |
 page2a.jpg | 49522 | 2022-05-04 16:11:20 |
 page3a.jpg | 560567 | 2022-05-04 16:11:20 |
 page4-2a.jpg | 48270 | 2022-05-04 16:11:20 |
 page4-3a.jpg | 46656 | 2022-05-04 16:11:20 |
 page4a.jpg | 425693 | 2022-05-04 16:11:20 |
 page5-2.jpg | 336048 | 2022-05-04 16:11:20 |
 page5a.jpg | 63384 | 2022-05-04 16:11:20 |
 page6a.jpg | 255389 | 2022-05-04 16:11:20 |
 page7.jpg | 513793 | 2022-05-04 16:11:20 |
 page8.jpg | 5785 | 2022-05-04 16:11:20 |
| ptra-20220504.htm | 34727 | 2022-05-04 16:11:20 |
| ptra-20220504.xsd | 1890 | 2022-05-04 16:11:20 |
| ptra-20220504_htm.xml | 10837 | 2022-05-04 16:11:20 |
| ptra-20220504_lab.xml | 24831 | 2022-05-04 16:11:20 |
| ptra-20220504_pre.xml | 13035 | 2022-05-04 16:11:20 |
| R1.htm | 38690 | 2022-05-04 16:11:20 |
| report.css | 2767 | 2022-05-04 16:11:20 |
| Show.js | 1085 | 2022-05-04 16:11:20 |