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| 0001628280-23-010289-index.html | 2023-04-03 06:02:28 | |
| 0001628280-23-010289.txt | 2023-04-03 06:02:28 | |
 0001628280-23-010289-xbrl.zip | 132060 | 2023-04-03 06:02:28 |
| a8-kex991.htm | 4162 | 2023-04-03 06:02:28 |
| exhibit101amendmentno2tonp.htm | 740682 | 2023-04-03 06:02:28 |
| exhibit102bofawaiver.htm | 20272 | 2023-04-03 06:02:28 |
| exhibit41_cowen-arformofno.htm | 116829 | 2023-04-03 06:02:28 |
| FilingSummary.xml | 1809 | 2023-04-03 06:02:28 |
| Financial_Report.xlsx | 5720 | 2023-04-03 06:02:28 |
| MetaLinks.json | 23467 | 2023-04-03 06:02:28 |
| ptra-20230331.htm | 43115 | 2023-04-03 06:02:28 |
| ptra-20230331.xsd | 2274 | 2023-04-03 06:02:28 |
| ptra-20230331_def.xml | 17843 | 2023-04-03 06:02:28 |
| ptra-20230331_htm.xml | 4318 | 2023-04-03 06:02:28 |
| ptra-20230331_lab.xml | 33949 | 2023-04-03 06:02:28 |
| ptra-20230331_pre.xml | 18212 | 2023-04-03 06:02:28 |
| R1.htm | 39890 | 2023-04-03 06:02:28 |
| report.css | 2767 | 2023-04-03 06:02:28 |
| Show.js | 1085 | 2023-04-03 06:02:28 |