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| 0001437749-19-007917-index.html | 2019-04-25 11:10:11 | |
| 0001437749-19-007917.txt | 2019-04-25 11:10:11 | |
 0001437749-19-007917-xbrl.zip | 76108 | 2019-04-25 11:10:11 |
| ex_141009.htm | 12981 | 2019-04-25 11:10:11 |
| ex_141010.htm | 13202 | 2019-04-25 11:10:11 |
| ex_141011.htm | 6045 | 2019-04-25 11:10:11 |
| FilingSummary.xml | 26449 | 2019-04-25 11:10:11 |
| Financial_Report.xlsx | 41661 | 2019-04-25 11:10:11 |
| ptsi-20190331.xml | 361402 | 2019-04-25 11:10:11 |
| ptsi-20190331.xsd | 37066 | 2019-04-25 11:10:11 |
| ptsi-20190331_cal.xml | 37058 | 2019-04-25 11:10:11 |
| ptsi-20190331_def.xml | 259423 | 2019-04-25 11:10:11 |
| ptsi-20190331_lab.xml | 229172 | 2019-04-25 11:10:11 |
| ptsi-20190331_pre.xml | 281964 | 2019-04-25 11:10:11 |
| ptsi20190331_10q.htm | 553245 | 2019-04-25 11:10:11 |
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| report.css | 2767 | 2019-04-25 11:10:11 |
| Show.js | 1085 | 2019-04-25 11:10:11 |