Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001085869-24-000037-index-headers.html | 2024-02-27 07:15:41 | |
| 0001085869-24-000037-index.html | 2024-02-27 07:15:41 | |
| 0001085869-24-000037.txt | 2024-02-27 07:15:41 | |
 0001085869-24-000037-xbrl.zip | 30984 | 2024-02-27 07:15:41 |
| FilingSummary.xml | 1697 | 2024-02-27 07:15:41 |
| Financial_Report.xlsx | 5727 | 2024-02-27 07:15:41 |
| MetaLinks.json | 18585 | 2024-02-27 07:15:41 |
| prfpressrelease_q42023.htm | 271279 | 2024-02-27 07:15:41 |
| prft-20240223.htm | 32020 | 2024-02-27 07:15:41 |
| prft-20240223.xsd | 1970 | 2024-02-27 07:15:41 |
| prft-20240223_htm.xml | 2817 | 2024-02-27 07:15:41 |
| prft-20240223_lab.xml | 26157 | 2024-02-27 07:15:41 |
| prft-20240223_pre.xml | 13848 | 2024-02-27 07:15:41 |
| q42023earningsdeck.htm | 8917 | 2024-02-27 07:15:41 |
 q42023earningsdeck001.jpg | 83183 | 2024-02-27 07:15:41 |
 q42023earningsdeck002.jpg | 166856 | 2024-02-27 07:15:41 |
 q42023earningsdeck003.jpg | 129788 | 2024-02-27 07:15:41 |
 q42023earningsdeck004.jpg | 140340 | 2024-02-27 07:15:41 |
 q42023earningsdeck005.jpg | 97345 | 2024-02-27 07:15:41 |
 q42023earningsdeck006.jpg | 70308 | 2024-02-27 07:15:41 |
| R1.htm | 39635 | 2024-02-27 07:15:41 |
| report.css | 2767 | 2024-02-27 07:15:41 |
| Show.js | 1085 | 2024-02-27 07:15:41 |