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|---|---|---|
 0000872248-18-000048-index-headers.html | 2018-08-07 16:30:40 | |
| 0000872248-18-000048-index.html | 2018-08-07 16:30:40 | |
| 0000872248-18-000048.txt | 2018-08-07 16:30:40 | |
 0000872248-18-000048-xbrl.zip | 151784 | 2018-08-07 16:30:40 |
| FilingSummary.xml | 25431 | 2018-08-07 16:30:40 |
| Financial_Report.xlsx | 55178 | 2018-08-07 16:30:40 |
| pq-20180630.xml | 1073482 | 2018-08-07 16:30:40 |
| pq-20180630.xsd | 36907 | 2018-08-07 16:30:40 |
| pq-20180630_cal.xml | 73131 | 2018-08-07 16:30:40 |
| pq-20180630_def.xml | 216370 | 2018-08-07 16:30:40 |
| pq-20180630_lab.xml | 472301 | 2018-08-07 16:30:40 |
| pq-20180630_pre.xml | 302373 | 2018-08-07 16:30:40 |
| pq6301810q.htm | 884466 | 2018-08-07 16:30:40 |
| pq6301810qex311.htm | 10433 | 2018-08-07 16:30:40 |
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| pq6301810qex321.htm | 4800 | 2018-08-07 16:30:40 |
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| R9.htm | 7934 | 2018-08-07 16:30:40 |
| report.css | 2767 | 2018-08-07 16:30:40 |
| Show.js | 1410 | 2018-08-07 16:30:40 |