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 0001085869-19-000067-index-headers.html | 2019-11-07 10:32:24 | |
| 0001085869-19-000067-index.html | 2019-11-07 10:32:24 | |
| 0001085869-19-000067.txt | 2019-11-07 10:32:24 | |
 0001085869-19-000067-xbrl.zip | 33790 | 2019-11-07 10:32:24 |
| FilingSummary.xml | 1829 | 2019-11-07 10:32:24 |
| Financial_Report.xlsx | 5821 | 2019-11-07 10:32:24 |
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| prfpressreleaseq32019.htm | 324569 | 2019-11-07 10:32:24 |
| prft-20191107.xsd | 4635 | 2019-11-07 10:32:24 |
| prft-20191107_cal.xml | 673 | 2019-11-07 10:32:24 |
| prft-20191107_def.xml | 1523 | 2019-11-07 10:32:24 |
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 prftresultsq32019002.jpg | 183203 | 2019-11-07 10:32:24 |
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 prftresultsq32019008.jpg | 79216 | 2019-11-07 10:32:24 |
| R1.htm | 40166 | 2019-11-07 10:32:24 |
| report.css | 2767 | 2019-11-07 10:32:24 |
| Show.js | 1085 | 2019-11-07 10:32:24 |