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| 0001564590-21-038640-index.html | 2021-07-28 16:27:21 | |
| 0001564590-21-038640.txt | 2021-07-28 16:27:21 | |
 0001564590-21-038640-xbrl.zip | 212595 | 2021-07-28 16:27:21 |
| FilingSummary.xml | 35252 | 2021-07-28 16:27:21 |
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| pi-10q_20210630.htm | 2812174 | 2021-07-28 16:27:21 |
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| pi-20210630.xsd | 53839 | 2021-07-28 16:27:21 |
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| report.css | 2767 | 2021-07-28 16:27:21 |
| Show.js | 1085 | 2021-07-28 16:27:21 |