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| 0001564590-18-023035-index.html | 2018-09-12 16:44:41 | |
| 0001564590-18-023035.txt | 2018-09-12 16:44:41 | |
 0001564590-18-023035-xbrl.zip | 108332 | 2018-09-12 16:44:41 |
| FilingSummary.xml | 34488 | 2018-09-12 16:44:41 |
| Financial_Report.xlsx | 59638 | 2018-09-12 16:44:41 |
| pi-10q_20180630.htm | 2558455 | 2018-09-12 16:44:41 |
| pi-20180630.xml | 1477866 | 2018-09-12 16:44:41 |
| pi-20180630.xsd | 42566 | 2018-09-12 16:44:41 |
| pi-20180630_cal.xml | 51042 | 2018-09-12 16:44:41 |
| pi-20180630_def.xml | 114452 | 2018-09-12 16:44:41 |
| pi-20180630_lab.xml | 308869 | 2018-09-12 16:44:41 |
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| pi-ex321_6.htm | 8112 | 2018-09-12 16:44:41 |
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| report.css | 2767 | 2018-09-12 16:44:41 |
| Show.js | 1410 | 2018-09-12 16:44:41 |