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| 0000320575-17-000050-index.html | 2017-11-02 08:45:05 | |
| 0000320575-17-000050.txt | 2017-11-02 08:45:05 | |
 0000320575-17-000050-xbrl.zip | 260473 | 2017-11-02 08:45:05 |
| exhibit3113q2017.htm | 11996 | 2017-11-02 08:45:05 |
| exhibit3123q2017.htm | 11853 | 2017-11-02 08:45:05 |
| exhibit3213q2017.htm | 6006 | 2017-11-02 08:45:05 |
| exhibit3223q2017.htm | 6041 | 2017-11-02 08:45:05 |
| FilingSummary.xml | 34275 | 2017-11-02 08:45:05 |
| Financial_Report.xlsx | 81062 | 2017-11-02 08:45:05 |
| form10q-q32017.htm | 1762639 | 2017-11-02 08:45:05 |
 oneyeartrendq3v1.jpg | 47000 | 2017-11-02 08:45:05 |
| pes-20170930.xml | 2822488 | 2017-11-02 08:45:05 |
| pes-20170930.xsd | 62560 | 2017-11-02 08:45:05 |
| pes-20170930_cal.xml | 95689 | 2017-11-02 08:45:05 |
| pes-20170930_def.xml | 379215 | 2017-11-02 08:45:05 |
| pes-20170930_lab.xml | 719129 | 2017-11-02 08:45:05 |
| pes-20170930_pre.xml | 502956 | 2017-11-02 08:45:05 |
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| report.css | 2767 | 2017-11-02 08:45:05 |
| Show.js | 1410 | 2017-11-02 08:45:05 |
 threeyeartrendq3v1.jpg | 49715 | 2017-11-02 08:45:05 |