Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000928816-19-000310-index-headers.html | 2019-02-19 10:17:13 | |
| 0000928816-19-000310-index.html | 2019-02-19 10:17:13 | |
| 0000928816-19-000310.txt | 2019-02-19 10:17:13 | |
 0000928816-19-000310-xbrl.zip | 29155 | 2019-02-19 10:17:13 |
| a_teifcover.htm | 35123 | 2019-02-19 10:17:13 |
 BarChart1.png | 28912 | 2019-02-19 10:17:13 |
| FilingSummary.xml | 2320 | 2019-02-19 10:17:13 |
| ptaex-20190128.xml | 47494 | 2019-02-19 10:17:13 |
| ptaex-20190128.xsd | 7055 | 2019-02-19 10:17:13 |
| ptaex-20190128_def.xml | 88957 | 2019-02-19 10:17:13 |
| ptaex-20190128_lab.xml | 124896 | 2019-02-19 10:17:13 |
| ptaex-20190128_pre.xml | 164902 | 2019-02-19 10:17:13 |
| R1.htm | 113559 | 2019-02-19 10:17:13 |
| R8.htm | 235335 | 2019-02-19 10:17:13 |
| report.css | 2767 | 2019-02-19 10:17:13 |
| Show.js | 1085 | 2019-02-19 10:17:13 |