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| 0001085869-22-000125-index.html | 2022-10-27 09:14:02 | |
| 0001085869-22-000125.txt | 2022-10-27 09:14:02 | |
 0001085869-22-000125-xbrl.zip | 32492 | 2022-10-27 09:14:02 |
| FilingSummary.xml | 1764 | 2022-10-27 09:14:02 |
| Financial_Report.xlsx | 5727 | 2022-10-27 09:14:02 |
| MetaLinks.json | 17604 | 2022-10-27 09:14:02 |
| prfpressrelease_q32022.htm | 271166 | 2022-10-27 09:14:02 |
| prft-20221027.htm | 35972 | 2022-10-27 09:14:02 |
| prft-20221027.xsd | 1968 | 2022-10-27 09:14:02 |
| prft-20221027_htm.xml | 11015 | 2022-10-27 09:14:02 |
| prft-20221027_lab.xml | 25154 | 2022-10-27 09:14:02 |
| prft-20221027_pre.xml | 13311 | 2022-10-27 09:14:02 |
| q32022earningsdeck.htm | 9861 | 2022-10-27 09:14:02 |
 q32022earningsdeck001.jpg | 51176 | 2022-10-27 09:14:02 |
 q32022earningsdeck002.jpg | 144012 | 2022-10-27 09:14:02 |
 q32022earningsdeck003.jpg | 133831 | 2022-10-27 09:14:02 |
 q32022earningsdeck004.jpg | 148015 | 2022-10-27 09:14:02 |
 q32022earningsdeck005.jpg | 88902 | 2022-10-27 09:14:02 |
 q32022earningsdeck006.jpg | 94406 | 2022-10-27 09:14:02 |
| R1.htm | 39643 | 2022-10-27 09:14:02 |
| report.css | 2767 | 2022-10-27 09:14:02 |
| Show.js | 1085 | 2022-10-27 09:14:02 |