Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-20-000293-index-headers.html | 2020-01-06 16:24:34 | |
| 0001564590-20-000293-index.html | 2020-01-06 16:24:34 | |
| 0001564590-20-000293.txt | 2020-01-06 16:24:34 | |
 0001564590-20-000293-xbrl.zip | 78473 | 2020-01-06 16:24:34 |
| FilingSummary.xml | 24074 | 2020-01-06 16:24:34 |
| Financial_Report.xlsx | 46004 | 2020-01-06 16:24:34 |
| pir-10q_20191130.htm | 1831140 | 2020-01-06 16:24:34 |
| pir-20191130.xml | 687445 | 2020-01-06 16:24:34 |
| pir-20191130.xsd | 35560 | 2020-01-06 16:24:34 |
| pir-20191130_cal.xml | 55714 | 2020-01-06 16:24:34 |
| pir-20191130_def.xml | 64354 | 2020-01-06 16:24:34 |
| pir-20191130_lab.xml | 272849 | 2020-01-06 16:24:34 |
| pir-20191130_pre.xml | 197827 | 2020-01-06 16:24:34 |
| pir-ex311_6.htm | 20181 | 2020-01-06 16:24:34 |
| pir-ex312_7.htm | 20254 | 2020-01-06 16:24:34 |
| pir-ex321_8.htm | 17072 | 2020-01-06 16:24:34 |
| R1.htm | 52228 | 2020-01-06 16:24:34 |
| R10.htm | 6635 | 2020-01-06 16:24:34 |
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| R19.htm | 14186 | 2020-01-06 16:24:34 |
| R2.htm | 50427 | 2020-01-06 16:24:34 |
| R20.htm | 78680 | 2020-01-06 16:24:34 |
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| R22.htm | 39051 | 2020-01-06 16:24:34 |
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| R26.htm | 19837 | 2020-01-06 16:24:34 |
| R27.htm | 11382 | 2020-01-06 16:24:34 |
| R28.htm | 51096 | 2020-01-06 16:24:34 |
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| R3.htm | 19340 | 2020-01-06 16:24:34 |
| R30.htm | 7130 | 2020-01-06 16:24:34 |
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| R32.htm | 9171 | 2020-01-06 16:24:34 |
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| R39.htm | 5569 | 2020-01-06 16:24:34 |
| R4.htm | 75625 | 2020-01-06 16:24:34 |
| R5.htm | 16837 | 2020-01-06 16:24:34 |
| R6.htm | 72187 | 2020-01-06 16:24:34 |
| R7.htm | 44206 | 2020-01-06 16:24:34 |
| R8.htm | 79843 | 2020-01-06 16:24:34 |
| R9.htm | 115303 | 2020-01-06 16:24:34 |
| report.css | 2767 | 2020-01-06 16:24:34 |
| Show.js | 1085 | 2020-01-06 16:24:34 |