Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001640334-19-001237-index-headers.html | 2019-06-26 13:28:20 | |
| 0001640334-19-001237-index.html | 2019-06-26 13:28:20 | |
| 0001640334-19-001237.txt | 2019-06-26 13:28:20 | |
 0001640334-19-001237-xbrl.zip | 43059 | 2019-06-26 13:28:20 |
| FilingSummary.xml | 19533 | 2019-06-26 13:28:20 |
| Financial_Report.xlsx | 37441 | 2019-06-26 13:28:20 |
| ptco-20190331.xml | 147668 | 2019-06-26 13:28:20 |
| ptco-20190331.xsd | 24479 | 2019-06-26 13:28:20 |
| ptco-20190331_cal.xml | 29777 | 2019-06-26 13:28:20 |
| ptco-20190331_def.xml | 55672 | 2019-06-26 13:28:20 |
| ptco-20190331_lab.xml | 130373 | 2019-06-26 13:28:20 |
| ptco-20190331_pre.xml | 118825 | 2019-06-26 13:28:20 |
| ptco_10k.htm | 323455 | 2019-06-26 13:28:20 |
| ptco_ex311.htm | 8081 | 2019-06-26 13:28:20 |
| ptco_ex321.htm | 3219 | 2019-06-26 13:28:20 |
| R1.htm | 35688 | 2019-06-26 13:28:20 |
| R10.htm | 5286 | 2019-06-26 13:28:20 |
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| R2.htm | 51884 | 2019-06-26 13:28:20 |
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| R21.htm | 5467 | 2019-06-26 13:28:20 |
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| R27.htm | 24128 | 2019-06-26 13:28:20 |
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| R4.htm | 31434 | 2019-06-26 13:28:20 |
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| R6.htm | 54663 | 2019-06-26 13:28:20 |
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| R8.htm | 5758 | 2019-06-26 13:28:20 |
| R9.htm | 20258 | 2019-06-26 13:28:20 |
| report.css | 2767 | 2019-06-26 13:28:20 |
| Show.js | 1085 | 2019-06-26 13:28:20 |