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| 0001437749-19-015302-index.html | 2019-08-02 14:56:30 | |
| 0001437749-19-015302.txt | 2019-08-02 14:56:30 | |
 0001437749-19-015302-xbrl.zip | 97576 | 2019-08-02 14:56:30 |
| ex_151345.htm | 13007 | 2019-08-02 14:56:30 |
| ex_151346.htm | 13216 | 2019-08-02 14:56:30 |
| ex_151347.htm | 6050 | 2019-08-02 14:56:30 |
| FilingSummary.xml | 31760 | 2019-08-02 14:56:30 |
| Financial_Report.xlsx | 52248 | 2019-08-02 14:56:30 |
| ptsi-20190630.xml | 687368 | 2019-08-02 14:56:30 |
| ptsi-20190630.xsd | 45422 | 2019-08-02 14:56:30 |
| ptsi-20190630_cal.xml | 47609 | 2019-08-02 14:56:30 |
| ptsi-20190630_def.xml | 310789 | 2019-08-02 14:56:30 |
| ptsi-20190630_lab.xml | 265485 | 2019-08-02 14:56:30 |
| ptsi-20190630_pre.xml | 339102 | 2019-08-02 14:56:30 |
| ptsi20190630_10q.htm | 813066 | 2019-08-02 14:56:30 |
 ptsi20190630_10qimg001.jpg | 7552 | 2019-08-02 14:56:30 |
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| report.css | 2767 | 2019-08-02 14:56:30 |
| Show.js | 1085 | 2019-08-02 14:56:30 |