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| ex_665688.htm | 10784 | 2024-05-07 14:53:07 |
| FilingSummary.xml | 32038 | 2024-05-07 14:53:07 |
| Financial_Report.xlsx | 55602 | 2024-05-07 14:53:07 |
| MetaLinks.json | 613843 | 2024-05-07 14:53:07 |
| ptsi-20240331.xsd | 42890 | 2024-05-07 14:53:07 |
| ptsi-20240331_cal.xml | 41903 | 2024-05-07 14:53:07 |
| ptsi-20240331_def.xml | 296130 | 2024-05-07 14:53:07 |
| ptsi-20240331_lab.xml | 273229 | 2024-05-07 14:53:07 |
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| ptsi20240331_10q_htm.xml | 459724 | 2024-05-07 14:53:07 |
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| report.css | 2767 | 2024-05-07 14:53:07 |
| Show.js | 1085 | 2024-05-07 14:53:07 |